[CST-12044] refactor: code

package.json

@@ -18,7 +18,7 @@
     "build:prod": "yarn run build:ssr",
     "build:ssr": "ng build --configuration production && ng run dspace-angular:server:production",
     "test": "ng test --source-map=true --watch=false --configuration test",
-    "test:watch": "nodemon --exec \"ng test --source-map=true --code-coverage --watch=true --configuration test\"",
+    "test:watch": "nodemon --exec \"ng test --source-map=true --watch=true --configuration test\"",
     "test:headless": "ng test --source-map=true --watch=false --configuration test --browsers=ChromeHeadless --code-coverage",
     "lint": "ng lint",
     "lint-fix": "ng lint --fix=true",

src/app/submission/sections/upload/file/section-upload-file.component.html

@@ -10,12 +10,15 @@
         [disabled]="processingSaveStatus$ | async"
         [checked]="isPrimary" 
         (change)="togglePrimaryBitstream($event)">
-        <label class="custom-control-label" for="primaryBitstream{{fileIndex}}"></label>
+        <label class="custom-control-label" for="primaryBitstream{{fileIndex}}">
+          <span class="sr-only" aria-hidden="true" *ngIf="!isPrimary">Make {{fileName}} the primary bitstream</span>
+          <span class="sr-only" aria-hidden="true" *ngIf="isPrimary">Remove {{fileName}} as the primary bitstream</span>
+        </label>
       </div>
     </div>
     <div class="col-md-10">
       <div class="float-left w-75">
-        <h3>{{fileName}}<span class="text-muted">({{fileData?.sizeBytes | dsFileSize}})</span></h3>
+        <h3>{{fileName}} <span class="text-muted">({{fileData?.sizeBytes | dsFileSize}})</span></h3>
       </div>
       <div class="float-right w-15">
         <ng-container>

src/assets/i18n/en.json5

@@ -700,7 +700,7 @@
 
   "bitstream.edit.form.newFormat.hint": "The application you used to create the file, and the version number (for example, \"<i>ACMESoft SuperApp version 1.5</i>\").",
 
-  "bitstream.edit.form.primaryBitstream.label": "Primary bitstream",
+  "bitstream.edit.form.primaryBitstream.label": "Primary File",
 
   "bitstream.edit.form.selectedFormat.hint": "If the format is not in the above list, <b>select \"format not in list\" above</b> and describe it under \"Describe new format\".",