feat(ui): allow adding a new category in cookbook management dropdown

frontend/components/Domain/QueryFilterBuilder.vue

@@ -186,7 +186,7 @@
                 v-else-if="field.type === Organizer.Category"
                 v-model="field.organizers"
                 :selector-type="Organizer.Category"
-                :show-add="false"
+                :show-add="true"
                 :show-label="false"
                 :show-icon="false"
                 variant="underlined"

frontend/components/Domain/Recipe/RecipeOrganizerSelector.vue

@@ -11,12 +11,10 @@
     multiple
     :variant="variant"
     :prepend-inner-icon="icon"
-    :append-icon="showAdd ? $globals.icons.create : undefined"
     return-object
     auto-select-first
     class="pa-0"
     @update:model-value="resetSearchInput"
-    @click:append="dialog = true"
   >
     <template #chip="{ item, index }">
       <v-chip
@@ -32,6 +30,14 @@
         {{ item.value }}
       </v-chip>
     </template>
+    <template v-if="showAdd" #append-item>
+        <v-divider class="my-2" />
+        <v-list-item
+          :title="`+ ${$t('general.add')}`"
+          class="text-primary"
+          @click="dialog = true"
+        />
+    </template>
 
     <template
       v-if="showAdd"