refs #6321 perf: replace QIcon with clearable prop

src/components/common/VnInput.vue

@@ -55,6 +55,7 @@ const onEnterPress = () => {
             :type="$attrs.type"
             :class="{ required: $attrs.required }"
             @keyup.enter="onEnterPress()"
+            :clearable="focus"
         >
             <template v-if="$slots.prepend" #prepend>
                 <slot name="prepend" />
@@ -62,12 +63,6 @@ const onEnterPress = () => {
 
             <template #append>
                 <slot name="append" v-if="$slots.append" />
-                <QIcon
-                    name="close"
-                    size="xs"
-                    v-if="focus && value"
-                    @click="value = null"
-                ></QIcon>
             </template>
         </QInput>
     </div>