added buttons for resetting to defaults in samples and changed defaults, added loading spinner and added apply filters button (again)

src/app/samples/samples.component.html

@@ -50,11 +50,14 @@
         <span *rbFormMultiSelectOption="let item" class="load-first-page">{{item.label}}</span>
       </rb-form-multi-select>
 
+      <rb-icon-button icon="reset" mode="secondary" (click)="resetPreferences()" class="reset-preferences">
+        Reset to default
+      </rb-icon-button>
+
       <div class="fieldfilters">
         <div *ngFor="let filter of filters.filters">
           <ng-container *ngIf="isActiveKey[filter.field]">
-            <rb-form-checkbox [name]="'filteractive-' + filter.field" [(ngModel)]="filter.active"
-                              (ngModelChange)="loadSamples({firstPage: true})"></rb-form-checkbox>
+            <rb-form-checkbox [name]="'filteractive-' + filter.field" [(ngModel)]="filter.active"></rb-form-checkbox>
             <rb-form-select [name]="'filtermode-' + filter.field" class="filtermode" [(ngModel)]="filter.mode"
                             (ngModelChange)="updateFilterFields(filter.field)">
               <option value="eq" title="field is equal to value">=</option>
@@ -102,6 +105,10 @@
           </ng-container>
         </div>
       </div>
+
+      <rb-icon-button icon="forward-right" mode="primary" (click)="loadSamples({firstPage: true})">
+        Apply filters
+      </rb-icon-button>
     </form>
   </rb-accordion-body>
 </rb-accordion>
@@ -109,6 +116,8 @@
 
 <ng-container *ngTemplateOutlet="paging"></ng-container>
 
+<rb-loading-spinner class="samples-loading" *ngIf="loading"></rb-loading-spinner>
+
 <div class="download space-below" *ngIf="login.isLevel.dev">
   <rb-icon-button class="space-right" icon="download" mode="secondary" [rbModal]="linkModal">
     JSON download link