[CL-95] loading spinner (#16363)

* add spiner from previous branch

* add loading spinner to button

* Add spinner to dialog

* Add spinner to icon button

* add spinner to multi select component

* fix spinner positioning

* Add mock i18n in stories where needed

* round stroke caps. Update classes

* fix ts error

* fix broken tests

* add missing translation keys to stories

* Add mising key for layout

* Add mising key for nav group

* Add mising key for spotlight

* Add mising key for product switcher

* Add mising key for dialog service

* add translation to copy click story

libs/components/src/section/section.stories.ts

@@ -1,9 +1,12 @@
 import { Meta, StoryObj, componentWrapperDecorator, moduleMetadata } from "@storybook/angular";
 
+import { I18nService } from "@bitwarden/common/platform/abstractions/i18n.service";
+
 import { CardComponent } from "../card";
 import { IconButtonModule } from "../icon-button";
 import { ItemModule } from "../item";
 import { TypographyModule } from "../typography";
+import { I18nMockService } from "../utils";
 
 import { SectionComponent, SectionHeaderComponent } from "./";
 
@@ -19,6 +22,12 @@ export default {
         IconButtonModule,
         ItemModule,
       ],
+      providers: [
+        {
+          provide: I18nService,
+          useValue: new I18nMockService({ loading: "Loading" }),
+        },
+      ],
     }),
     componentWrapperDecorator((story) => `<div class="tw-text-main">${story}</div>`),
   ],