feat: table search form visible control (#5121)

* feat: table search form visible control

* chore: fix docs and demo

* chore: type error fixed

packages/effects/plugins/src/vxe-table/api.ts

@@ -8,6 +8,7 @@ import { toRaw } from 'vue';
 import { Store } from '@vben-core/shared/store';
 import {
   bindMethods,
+  isBoolean,
   isFunction,
   mergeWithArrayOverride,
   StateHandler,
@@ -20,6 +21,7 @@ function getDefaultState(): VxeGridProps {
     gridOptions: {},
     gridEvents: {},
     formOptions: undefined,
+    showSearchForm: true,
   };
 }
 
@@ -108,6 +110,16 @@ export class VxeGridApi {
     }
   }
 
+  toggleSearchForm(show?: boolean) {
+    this.setState({
+      showSearchForm: isBoolean(show) ? show : !this.state?.showSearchForm,
+    });
+    // nextTick(() => {
+    //   this.grid.recalculate();
+    // });
+    return this.state?.showSearchForm;
+  }
+
   unmount() {
     this.isMounted = false;
     this.stateHandler.reset();