[Moving] Move Observability App folders into `/x-pack/observability_s…

…olution` (#177437)

## Summary

This PR is part of the initiative to consolidate Observability plugins
into `x-pack/plugins/observability_solution`.

This PR is strictly a move and an update in references.

This was discussed and agreed upon with the Observability org in the
Observability Office Hours meeting at the end of 2023.

## Related PRs:
- [x] [Move APM ](#177433)
- [x] [Move Data Quality](#177456)
- [x] [Move Exploratory
View](#177440)
- [ ] [Move Infra](#177443)
- [X] Move Logs Explorer
- [ ] [Move Logs Shared](#177735)
- [x] [Move Observability AI
Assistant](#177427)
- [ ] [Move Observability
App](#177437) <-- you are here
- [x] [Move Observability
Onboarding](#177458)
- [x] [Move Observability
Shared](#177463)
- [x] [Move Profiling](#177453)
- [x] [Move Synthetics](#177464) 
- [x] [Move Uptime](#177466)
- [x] [Move UX](#177470)

---------

Co-authored-by: kibanamachine <[email protected]>

.eslintrc.js

@@ -872,7 +872,7 @@ module.exports = {
     {
       files: [
         'x-pack/plugins/observability_solution/apm/**/*.{js,mjs,ts,tsx}',
-        'x-pack/plugins/observability/**/*.{js,mjs,ts,tsx}',
+        'x-pack/plugins/observability_solution/observability/**/*.{js,mjs,ts,tsx}',
         'x-pack/plugins/observability_solution/exploratory_view/**/*.{js,mjs,ts,tsx}',
         'x-pack/plugins/observability_solution/ux/**/*.{js,mjs,ts,tsx}',
       ],
@@ -895,7 +895,7 @@ module.exports = {
     {
       files: [
         'x-pack/plugins/observability_solution/apm/**/*.stories.*',
-        'x-pack/plugins/observability/**/*.stories.*',
+        'x-pack/plugins/observability_solution/observability/**/*.stories.*',
         'x-pack/plugins/observability_solution/exploratory_view/**/*.stories.*',
       ],
       rules: {
@@ -912,10 +912,10 @@ module.exports = {
       files: [
         'x-pack/plugins/aiops/**/*.tsx',
         'x-pack/plugins/infra/**/*.tsx',
-        'x-pack/plugins/observability/**/*.tsx',
         'x-pack/plugins/observability_solution/apm/**/*.tsx',
         'x-pack/plugins/observability_solution/dataset_quality/**/*.tsx',
         'x-pack/plugins/observability_solution/exploratory_view/**/*.tsx',
+        'x-pack/plugins/observability_solution/observability/**/*.tsx',
         'x-pack/plugins/observability_solution/observability_ai_assistant/**/*.tsx',
         'x-pack/plugins/observability_solution/observability_onboarding/**/*.tsx',
         'x-pack/plugins/observability_solution/observability_shared/**/*.tsx',
@@ -932,7 +932,8 @@ module.exports = {
     {
       files: [
         'x-pack/plugins/infra/**/!(*.stories.tsx|*.test.tsx|*.storybook_decorator.tsx|*.mock.tsx)',
-        'x-pack/plugins/observability/**/!(*.stories.tsx|*.test.tsx|*.storybook_decorator.tsx|*.mock.tsx)',
+        'x-pack/plugins/observability_solution/exploratory_view/**/!(*.stories.tsx|*.test.tsx|*.storybook_decorator.tsx|*.mock.tsx)',
+        'x-pack/plugins/observability_solution/observability/**/!(*.stories.tsx|*.test.tsx|*.storybook_decorator.tsx|*.mock.tsx)',
         'x-pack/plugins/observability_solution/apm/**/!(*.stories.tsx|*.test.tsx|*.storybook_decorator.tsx|*.mock.tsx)',
         'x-pack/plugins/observability_solution/exploratory_view/**/!(*.stories.tsx|*.test.tsx|*.storybook_decorator.tsx|*.mock.tsx)',
         'x-pack/plugins/observability_solution/observability_ai_assistant/**/!(*.stories.tsx|*.test.tsx|*.storybook_decorator.tsx|*.mock.tsx)',

.github/CODEOWNERS

@@ -576,7 +576,7 @@ x-pack/test/cases_api_integration/common/plugins/observability @elastic/response
 x-pack/packages/observability/get_padded_alert_time_range_util @elastic/obs-ux-management-team
 x-pack/plugins/observability_solution/observability_logs_explorer @elastic/obs-ux-logs-team
 x-pack/plugins/observability_solution/observability_onboarding @elastic/obs-ux-logs-team
-x-pack/plugins/observability @elastic/obs-ux-management-team
+x-pack/plugins/observability_solution/observability @elastic/obs-ux-management-team
 x-pack/plugins/observability_solution/observability_shared @elastic/observability-ui
 x-pack/test/security_api_integration/plugins/oidc_provider @elastic/kibana-security
 test/common/plugins/otel_metrics @elastic/obs-ux-infra_services-team
@@ -1076,7 +1076,7 @@ x-pack/plugins/infra/server/lib/alerting @elastic/obs-ux-management-team
 /packages/kbn-utility-types/src/dot.ts @dgieselaar
 /packages/kbn-utility-types/src/dot_test.ts @dgieselaar
 #CC# /src/plugins/apm_oss/ @elastic/apm-ui
-#CC# /x-pack/plugins/observability/ @elastic/apm-ui
+#CC# /x-pack/plugins/observability_solution/observability/ @elastic/apm-ui
 
 # Uptime
 /x-pack/test/functional_with_es_ssl/apps/discover_ml_uptime/uptime/ @elastic/obs-ux-infra_services-team
@@ -1097,7 +1097,7 @@ x-pack/plugins/infra/server/lib/alerting @elastic/obs-ux-management-team
 /x-pack/test/functional/apps/infra/tour.ts @elastic/platform-onboarding
 
 # Observability settings
-/x-pack/plugins/observability/server/ui_settings.ts @elastic/obs-docs
+/x-pack/plugins/observability_solution/observability/server/ui_settings.ts @elastic/obs-docs
 
 ### END Observability Plugins
 

.github/paths-labeller.yml

@@ -21,4 +21,4 @@
     - 'x-pack/plugins/fleet/**/*.*'
     - 'x-pack/test/fleet_api_integration/**/*.*'
 - 'Team:obs-ux-management':
-    - 'x-pack/plugins/observability/**/*.*'
+    - 'x-pack/plugins/observability_solution/observability/**/*.*'