[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

demo-shell/src/app/components/files/custom-sources.component.ts

@@ -20,7 +20,7 @@ import { DocumentListComponent } from '@alfresco/adf-content-services';
 
 @Component({
     selector: 'app-custom-sources',
-    templateUrl: 'custom-sources.component.html'
+    templateUrl: './custom-sources.component.html'
 })
 export class CustomSourcesComponent {
 

demo-shell/src/app/components/files/files.component.scss

@@ -3,7 +3,7 @@
         margin: 10px !important;
     }
 
-    @media screen and ($mat-xsmall) {
+    @media screen and (max-width: 599px) {
         .app-container {
             margin: 0;
         }

demo-shell/src/app/components/files/files.component.ts

@@ -54,7 +54,6 @@ const DEFAULT_FOLDER_TO_SHOW = '-my-';
 @Component({
     selector: 'app-files-component',
     templateUrl: './files.component.html',
-    styleUrls: ['./files.component.scss'],
     providers: [
         { provide: FormRenderingService, useClass: ProcessFormRenderingService }
     ]