feat(VTooltip): target="cursor" should work for hoverable tooltips

[J-Sek]

resolves #22161

Markup:

<template>
  <v-app theme="dark">
    <v-container class="d-flex justify-center ga-3">

      <v-tooltip target="cursor" open-on-hover>
        <template #activator="{ props: activatorProps }">
          <v-card
            v-bind="activatorProps"
            height="300"
            image="https://picsum.photos/600/300"
            tabindex="0"
            width="600"
          />
        </template>
        <span>I follow the cursor</span>
      </v-tooltip>

      <v-card
        height="300"
        image="https://picsum.photos/600/300"
        tabindex="0"
        width="600"
      >
        <v-tooltip activator="parent" target="cursor" open-on-hover>
          <span>I follow the cursor 2</span>
        </v-tooltip>
      </v-card>

    </v-container>
  </v-app>
</template>