[MI-2228]:Fixed Jira Issue 819 (Create issue modal crashes when assignee is selected before switching projects)

webapp/src/components/data_selectors/jira_user_selector/jira_user_selector.tsx

@@ -9,7 +9,7 @@ import BackendSelector, {Props as BackendSelectorProps} from '../backend_selecto
 
 type Props = BackendSelectorProps & {
     projectKey: string;
-    searchUsers: (params: {project: string; q: string}) => Promise<{data: JiraUser[]; error?: Error}>;
+    searchUsers: (params: {project: string; q: string}) => Promise<{data: {label: string; value: JiraUser[]}; error?: Error}>;
 };
 
 export default class JiraUserSelector extends React.PureComponent<Props> {

webapp/src/components/modals/create_issue/create_issue_form.tsx

@@ -136,7 +136,8 @@ export default class CreateIssueForm extends React.PureComponent<Props, State> {
         });
 
         let fields = {
-            ...this.state.fields,
+            summary: this.state.fields.summary,
+            description: this.state.fields.description,
             project: {key: projectKey},
         } as CreateIssueFields;
 
@@ -160,7 +161,9 @@ export default class CreateIssueForm extends React.PureComponent<Props, State> {
 
     handleIssueTypeChange = (_: string, issueType: string) => {
         let fields = {
-            ...this.state.fields,
+            summary: this.state.fields.summary,
+            description: this.state.fields.description,
+            project: {key: this.state.projectKey},
             issuetype: {id: issueType},
         } as CreateIssueFields;
 

webapp/src/types/model.ts

@@ -212,6 +212,7 @@ export type AllProjectMetadata = {
 
 export type CreateIssueFields = {
     description: string;
+    summary?: string;
     project: {key: string};
     issuetype: {id: string};
 } & {[key: string]: JiraField};