Fix slots-template issue in all dialog components

Signed-off-by: Francesco Torchia <francesco.torchia@suse.com>

pkg/harvester/dialog/EnableVGpuDevice.vue

@@ -60,7 +60,7 @@ export default {
 
 <template>
   <Card :show-highlight-border="false">
-    <template v-slot:title>
+    <template #title>
       <h4
         v-clean-html="t('harvester.vgpu.enable.title')"
         class="text-default-text"
@@ -81,7 +81,7 @@ export default {
       </div>
     </template>
 
-    <template v-slot:actions>
+    <template #actions>
       <div class="buttons actions">
         <button class="btn role-secondary mr-10" @click="close">
           {{ t('generic.cancel') }}