[ADF-5456] improved theming bundling (#7180)

* theming barrel file for core

* card-view theme

* clipboard theme

* rename core theme files

* content services themes

* process services theme

* process services cloud theme

* insights theming

* try fix flaky test

lib/process-services/src/lib/people/people.theme.scss

@@ -1,6 +1,6 @@
-@import './components/people-search/people-search.component';
-@import './components/people-search-field/people-search-field.component';
-@import './components/people/people.component';
+@import './components/people-search/people-search.theme';
+@import './components/people-search-field/people-search-field.theme';
+@import './components/people/people.theme';
 
 @mixin adf-people-module-theme($theme) {
     @include adf-task-list-people-search-theme($theme);

lib/process-services/src/lib/styles/_index.scss

@@ -1,15 +1,15 @@
-@import '../process-list/components/process-filters.component';
-@import '../process-comments/process-comments.component';
-@import '../people/people.module';
-@import '../task-list/components/start-task.component';
-@import '../task-list/components/task-filters.component';
-@import '../task-list/components/task-header.component';
-@import '../task-list/components/task-standalone.component';
-@import '../app-list/apps-list.component';
-@import '../content-widget/attach-file-widget-dialog.component';
-@import '../form/start-form.component';
-@import '../process-list/components/start-process.component';
-@import '../task-list/components/task-form/task-form.component';
+@import '../process-list/components/process-filters.theme';
+@import '../process-comments/process-comments.theme';
+@import '../people/people.theme';
+@import '../task-list/components/start-task.theme';
+@import '../task-list/components/task-filters.theme';
+@import '../task-list/components/task-header.theme';
+@import '../task-list/components/task-standalone.theme';
+@import '../app-list/apps-list.theme';
+@import '../content-widget/attach-file-widget-dialog.theme';
+@import '../form/start-form.theme';
+@import '../process-list/components/start-process.theme';
+@import '../task-list/components/task-form/task-form.theme';
 
 @mixin adf-process-services-theme($theme) {
     @include adf-process-filters-theme($theme);