refactor(UiFileInput): remove unused watch function to streamline component logic

Author: bingren-yd

src/components/ui/UiFileInput.vue

@@ -47,7 +47,6 @@ import {
   onMounted,
   ref,
   shallowRef,
-  watch,
 } from 'vue';
 import { useToast } from 'vue-toastification';
 import UiButton from './UiButton.vue';
@@ -173,15 +172,4 @@ onMounted(() => {
     fileName.value = props.modelValue.filename;
   }
 });
-
-watch(
-  () => props.modelValue,
-  (newValue) => {
-    if (typeof newValue === 'object' && newValue?.filename) {
-      fileName.value = newValue.filename;
-    } else if (!newValue) {
-      fileName.value = '';
-    }
-  }
-);
 </script>