feat: add creatable menu when no options

src/components/shared/select/SelectCustomer.vue

@@ -91,6 +91,37 @@ onMounted(async () => {
       />
     </template>
 
+    <template #no-option v-if="creatable">
+      <q-item
+        :disable="creatableDisabled"
+        clickable
+        v-close-popup
+        @click.stop="$emit('create')"
+      >
+        <q-item-section>
+          <span class="row items-center">
+            <q-icon
+              name="mdi-plus-circle-outline"
+              class="q-mr-sm"
+              style="color: hsl(var(--positive-bg))"
+            />
+            <b>
+              {{ $t('general.add', { text: $t('quotation.newCustomer') }) }}
+            </b>
+            <span
+              v-if="creatableDisabled && creatableDisabledText"
+              class="app-text-muted q-pl-xs"
+              style="font-size: 80%"
+            >
+              {{ creatableDisabledText }}
+            </span>
+          </span>
+        </q-item-section>
+      </q-item>
+
+      <q-separator class="q-mx-sm" />
+    </template>
+
     <template #before-options v-if="creatable">
       <q-item
         :disable="creatableDisabled"