fix(v-tooltip): prevent showing empty tooltip (#22347)

Co-authored-by: J-Sek <[email protected]>
fixes #22345

Author: Haviles04

packages/vuetify/src/directives/tooltip/index.ts

@@ -4,6 +4,9 @@ import { VTooltip } from '@/components/VTooltip'
 // Composables
 import { useDirectiveComponent } from '@/composables/directiveComponent'
 
+// Utilities
+import { isObject } from '@/util'
+
 // Types
 import type { DirectiveBinding } from 'vue'
 import type { Anchor } from '@/util'
@@ -14,8 +17,12 @@ export interface TooltipDirectiveBinding extends Omit<DirectiveBinding<string>,
 }
 
 export const Tooltip = useDirectiveComponent<TooltipDirectiveBinding>(VTooltip, binding => {
+  const disabled = isObject(binding.value)
+    ? !binding.value.text
+    : ['', false, null].includes(binding.value) // undefined means true
+
   return {
-    activator: 'parent',
+    activator: disabled ? null : 'parent',
     location: binding.arg?.replace('-', ' '),
     text: typeof binding.value === 'boolean' ? undefined : binding.value,
   }