fix: cmd+delete to remove all emails

frontend/src/components/Controls/MultiselectInput.vue

@@ -22,6 +22,7 @@
         @keydown.enter.capture.stop="addValue"
         @keydown.tab.capture.stop="addValue"
         @keydown.delete.capture.stop="removeLastValue"
+        @keydown.meta.delete.capture.stop="removeAllValue"
       />
     </div>
     <ErrorMessage class="mt-2 pl-2" v-if="error" :message="error" />
@@ -74,6 +75,10 @@ const removeValue = (value) => {
   values.value = values.value.filter((v) => v !== value)
 }
 
+const removeAllValue = () => {
+  values.value = []
+}
+
 const removeLastValue = () => {
   if (!currentValue.value) {
     values.value.pop()