Merge pull request #469 from giannidhooge/search-patch

Show search-container when filter has a value

src/lib/ngx-bootstrap-multiselect.component.html

@@ -8,7 +8,7 @@
     (scroll)="settings.isLazyLoad ? checkScrollPosition($event) : null" (wheel)="settings.stopScrollPropagation ? checkScrollPropagation($event, scroller) : null"
     [class.pull-right]="settings.pullRight" [class.dropdown-menu-right]="settings.pullRight" [style.max-height]="settings.maxHeight"
     style="display: block; height: auto; overflow-y: auto;" (keydown.tab)="focusItem(1, $event)" (keydown.shift.tab)="focusItem(-1, $event)">
-    <div class="input-group search-container" *ngIf="settings.enableSearch && renderFilteredOptions.length > 1">
+    <div class="input-group search-container" *ngIf="settings.enableSearch && (renderFilteredOptions.length > 1 || filterControl.value.length > 0)">
       <div class="input-group-prepend">
         <span class="input-group-text" id="basic-addon1">
           <i class="fa fa-search" aria-hidden="true"></i>