Fixed remaining community/collection page accessibility issues

- Hide fontawesome icons for screen readers
- Replaced dangling labels with spans and added more descriptive aria label to browse link
- Fixed empty label/missing header in edit resource policy table
- Added missing comcol logo al text
- Refactored dso-edit-menu-section to not display empty link buttons and duplicate titles

src/app/shared/upload/uploader/uploader.component.html

@@ -23,7 +23,7 @@
           <i class="fas fa-upload" aria-hidden="true"></i>
           {{dropMsg | translate}}{{'uploader.or' | translate}}
           <label for="inputFileUploader-{{uploaderId}}" class="btn btn-link m-0 p-0 ml-1" tabindex="0" (keyup.enter)="$event.stopImmediatePropagation(); fileInput.click()">
-            <span role="button" [attr.aria-label]="'uploader.browse' | translate">{{'uploader.browse' | translate}}</span>
+            <span role="button" [attr.aria-label]="ariaLabel | translate">{{'uploader.browse' | translate}}</span>
           </label>
           <input #fileInput id="inputFileUploader-{{uploaderId}}" class="d-none" type="file" ng2FileSelect [uploader]="uploader" multiple tabindex="0" />
         </span>