[7.x] [Security Solution] Fix Timeline filter EuiSuperSelect styling (#87033)

[patrykkopycinski]

Backports the following commits to 7.x:

• [Security Solution] Fix Timeline filter EuiSuperSelect styling ([Security Solution] Fix Timeline filter EuiSuperSelect styling #87033)

[kibanamachine]

💚 Build Succeeded

• continuous-integration/kibana-ci/pull-request
• Commit: 6430886

Metrics [docs]

Module Count

Fewer modules leads to a faster build time

id	before	after	diff
securitySolution	2165	2166	+1

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
securitySolution	8.5MB	8.5MB	+7.0KB
triggersActionsUi	1.6MB	1.5MB	-26.9KB
total			-19.9KB

Distributable file count

id	before	after	diff
default	47609	48372	+763

Page load bundle

Size of the bundles that are downloaded on every page load. Target size is below 100kb

id	before	after	diff
triggersActionsUi	162.5KB	162.6KB	+102.0B

Unknown metric groups

async chunk count

id	before	after	diff
triggersActionsUi	31	32	+1

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream