[ADF-1238] Search debounce click issue fix and minor style clean (#2361)

* fix search issues no result table not shown
minor issues style button

* fix issue animation search input field debouncing toggle search

* fix test search
remove expandable probeprties

* remove test expand

* ripristinate expandable properties

* fix test

demo-shell-ng2/app/components/search/search-bar.component.html

@@ -4,7 +4,6 @@
                          [highlight]="true"
                          (searchSubmit)="onSearchSubmit($event);"
                          (searchChange)="onSearchTermChange($event);"
-                         (expand)="onExpandToggle($event);"
                          (fileSelect)="onItemClicked($event)">
 </adf-search-control>
 

demo-shell-ng2/app/components/search/search-bar.component.ts

@@ -64,8 +64,4 @@ export class SearchBarComponent {
     onSearchTermChange(event) {
         this.searchTerm = event.value;
     }
-
-    onExpandToggle(event) {
-        this.expand.emit(event);
-    }
 }