fix(module:select): fix select disable cursor (NG-ZORRO#3287)

close NG-ZORRO#3246

components/select/nz-select-top-control.component.html

@@ -30,7 +30,7 @@
     </div>
     <!--show search-->
     <div *ngIf="nzShowSearch"
-      class="ant-select-search ant-select-search--inline">
+      class="ant-select-search ant-select-search--inline" [style.display]="nzOpen ? 'block' : 'none'">
       <div class="ant-select-search__field__wrap">
         <ng-template [ngTemplateOutlet]="inputTemplate"></ng-template>
         <span class="ant-select-search__field__mirror">{{inputValue}}&nbsp;</span>
@@ -41,10 +41,10 @@
   <ul *ngIf="nzSelectService.isMultipleOrTags">
     <ng-container *ngFor="let option of nzSelectService.listOfCachedSelectedOption | slice: 0 : nzMaxTagCount;trackBy:trackValue;">
       <li [@zoomMotion]
-          [nzNoAnimation]="noAnimation?.nzNoAnimation"
-          [attr.title]="option.nzLabel"
-          [class.ant-select-selection__choice__disabled]="option.nzDisabled"
-          class="ant-select-selection__choice">
+        [nzNoAnimation]="noAnimation?.nzNoAnimation"
+        [attr.title]="option.nzLabel"
+        [class.ant-select-selection__choice__disabled]="option.nzDisabled"
+        class="ant-select-selection__choice">
         <div class="ant-select-selection__choice__content">{{ option.nzLabel }}</div>
         <span *ngIf="!option.nzDisabled"
           class="ant-select-selection__choice__remove"
@@ -55,9 +55,9 @@
       </li>
     </ng-container>
     <li *ngIf="nzSelectService.listOfCachedSelectedOption.length > nzMaxTagCount"
-        [@zoomMotion]
-        [nzNoAnimation]="noAnimation?.nzNoAnimation"
-        class="ant-select-selection__choice">
+      [@zoomMotion]
+      [nzNoAnimation]="noAnimation?.nzNoAnimation"
+      class="ant-select-selection__choice">
       <div class="ant-select-selection__choice__content">
         <ng-container *ngIf="nzMaxTagPlaceholder">
           <ng-template