Update btnClass default value in EntityAction

npm/ng-packs/packages/theme-shared/extensions/src/lib/components/grid-actions/grid-actions.component.html

@@ -52,7 +52,6 @@
       *abpPermission="action.permission; runChangeDetection: false"
       (click)="action.action(data)"
       type="button"
-      class="btn text-center"
       [class]="action.btnClass"
       [style]="action.btnStyle"
     >

npm/ng-packs/packages/theme-shared/extensions/src/lib/models/entity-actions.ts

@@ -29,7 +29,7 @@ export class EntityAction<R = any> extends Action<R> {
     super(options.permission || '', options.visible, options.action);
     this.text = options.text;
     this.icon = options.icon || '';
-    this.btnClass = options.btnClass || 'btn-primary';
+    this.btnClass = options.btnClass || 'btn btn-primary text-center';
     this.btnStyle = options.btnStyle;
   }