[ADF-5406] SCSS and HTML template path fixes (#7063)

* remove useless mixin

* fix scss paths

* style fixes

* fix styles

* style fixes

* style fixes

* style fixes

* style fixes

* insights fixes

* css and template path fixes

* bug fixes

lib/core/clipboard/clipboard.component.scss

@@ -1,5 +1,3 @@
-@import '~@angular/material/theming';
-
 @mixin adf-clipboard-theme($theme) {
     $primary: map-get($theme, primary);
     $config: mat-typography-config();

lib/core/clipboard/clipboard.directive.ts

@@ -78,10 +78,7 @@ export class ClipboardDirective {
 
 @Component({
     selector: 'adf-copy-content-tooltip',
-    template: `
-        <span class='adf-copy-tooltip'>{{ placeholder | translate }} </span>
-        `,
-    styleUrls: ['./clipboard.component.scss'],
+    template: `<span class='adf-copy-tooltip'>{{ placeholder | translate }} </span>`,
     encapsulation: ViewEncapsulation.None
 })
 export class ClipboardComponent implements OnInit {