[8.17] fix(slo): remove KibanaThemeProvider' (#201257) (#201387)

# Backport

This will backport the following commits from `main` to `8.17`:
- [fix(slo): remove KibanaThemeProvider'
(#201257)](#201257)

<!--- Backport version: 9.4.3 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

<!--BACKPORT [{"author":{"name":"Kevin
Delemme","email":"kevin.delemme@elastic.co"},"sourceCommit":{"committedDate":"2024-11-22T13:52:09Z","message":"fix(slo):
remove KibanaThemeProvider'
(#201257)","sha":"455a075495e5857fbf3a1c885c5836dc8a0611f5","branchLabelMapping":{"^v9.0.0$":"main","^v8.18.0$":"8.x","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["release_note:skip","v9.0.0","backport:prev-minor","ci:project-deploy-observability","Team:obs-ux-management","v8.17.0"],"title":"fix(slo):
remove
KibanaThemeProvider'","number":201257,"url":"https://github.com/elastic/kibana/pull/201257","mergeCommit":{"message":"fix(slo):
remove KibanaThemeProvider'
(#201257)","sha":"455a075495e5857fbf3a1c885c5836dc8a0611f5"}},"sourceBranch":"main","suggestedTargetBranches":["8.17"],"targetPullRequestStates":[{"branch":"main","label":"v9.0.0","branchLabelMappingKey":"^v9.0.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/201257","number":201257,"mergeCommit":{"message":"fix(slo):
remove KibanaThemeProvider'
(#201257)","sha":"455a075495e5857fbf3a1c885c5836dc8a0611f5"}},{"branch":"8.17","label":"v8.17.0","branchLabelMappingKey":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"}]}]
BACKPORT-->

Co-authored-by: Kevin Delemme <kevin.delemme@elastic.co>

x-pack/plugins/observability_solution/slo/public/application.tsx

@@ -13,7 +13,6 @@ import { Storage } from '@kbn/kibana-utils-plugin/public';
 import { ObservabilityRuleTypeRegistry } from '@kbn/observability-plugin/public';
 import type { LazyObservabilityPageTemplateProps } from '@kbn/observability-shared-plugin/public';
 import { KibanaRenderContextProvider } from '@kbn/react-kibana-context-render';
-import { KibanaThemeProvider } from '@kbn/react-kibana-context-theme';
 import { RedirectAppLinks } from '@kbn/shared-ux-link-redirect-app';
 import { Route, Router, Routes } from '@kbn/shared-ux-router';
 import { UsageCollectionSetup } from '@kbn/usage-collection-plugin/public';
@@ -53,7 +52,7 @@ export const renderApp = ({
   experimentalFeatures,
   sloClient,
 }: Props) => {
-  const { element, history, theme$ } = appMountParameters;
+  const { element, history } = appMountParameters;
 
   // ensure all divs are .kbnAppWrappers
   element.classList.add(APP_WRAPPER_CLASS);
@@ -90,42 +89,40 @@ export const renderApp = ({
   ReactDOM.render(
     <KibanaRenderContextProvider {...core}>
       <ApplicationUsageTrackingProvider>
-        <KibanaThemeProvider {...{ theme: { theme$ } }}>
-          <CloudProvider>
-            <KibanaContextProvider
-              services={{
-                ...core,
-                ...plugins,
-                storage: new Storage(localStorage),
+        <CloudProvider>
+          <KibanaContextProvider
+            services={{
+              ...core,
+              ...plugins,
+              storage: new Storage(localStorage),
+              isDev,
+              kibanaVersion,
+              isServerless,
+            }}
+          >
+            <PluginContext.Provider
+              value={{
                 isDev,
-                kibanaVersion,
                 isServerless,
+                appMountParameters,
+                ObservabilityPageTemplate,
+                observabilityRuleTypeRegistry,
+                experimentalFeatures,
+                sloClient,
               }}
             >
-              <PluginContext.Provider
-                value={{
-                  isDev,
-                  isServerless,
-                  appMountParameters,
-                  ObservabilityPageTemplate,
-                  observabilityRuleTypeRegistry,
-                  experimentalFeatures,
-                  sloClient,
-                }}
-              >
-                <Router history={history}>
-                  <RedirectAppLinks coreStart={core} data-test-subj="observabilityMainContainer">
-                    <PerformanceContextProvider>
-                      <QueryClientProvider client={queryClient}>
-                        <App />
-                      </QueryClientProvider>
-                    </PerformanceContextProvider>
-                  </RedirectAppLinks>
-                </Router>
-              </PluginContext.Provider>
-            </KibanaContextProvider>
-          </CloudProvider>
-        </KibanaThemeProvider>
+              <Router history={history}>
+                <RedirectAppLinks coreStart={core} data-test-subj="observabilityMainContainer">
+                  <PerformanceContextProvider>
+                    <QueryClientProvider client={queryClient}>
+                      <App />
+                    </QueryClientProvider>
+                  </PerformanceContextProvider>
+                </RedirectAppLinks>
+              </Router>
+            </PluginContext.Provider>
+          </KibanaContextProvider>
+        </CloudProvider>
       </ApplicationUsageTrackingProvider>
     </KibanaRenderContextProvider>,
     element

x-pack/plugins/observability_solution/slo/tsconfig.json

@@ -24,7 +24,6 @@
     "@kbn/observability-plugin",
     "@kbn/observability-shared-plugin",
     "@kbn/kibana-react-plugin",
-    "@kbn/react-kibana-context-theme",
     "@kbn/shared-ux-link-redirect-app",
     "@kbn/kibana-utils-plugin",
     "@kbn/slo-schema",