feat(reDesign): improve task focus styling

src/app/features/tasks/task/task.component.html

@@ -119,7 +119,7 @@
           <button (click)="pauseTask()"
                   *ngIf="!task.isDone && isCurrent && !task.subTasks"
                   class="ico-btn"
-                  color=""
+                  color="accent"
                   mat-icon-button
                   tabindex="2"
                   [title]="T.F.TASK.CMP.TRACK_TIME_STOP|translate">

src/app/features/tasks/task/task.component.mixins.scss

@@ -39,7 +39,6 @@
   opacity: $task-icon-default-opacity;
   transition: transform $transition-fast;
 
-  :host:focus &,
   .isCurrent &,
   &:hover,
   &:focus {

src/app/features/tasks/task/task.component.scss

@@ -769,8 +769,6 @@ $min-badge-size: $s*2.25;
   height: 20px;
   width: 20px;
 
-
-  :host:focus > .inner-wrapper > .first-line &,
   .first-line:hover & {
     display: none;
   }