feat：预览图片组件新增编辑按钮及事件

lib/upload_image/look_images_widget.dart

@@ -7,6 +7,7 @@ class LookImagesTool {
   static lookImages({
     required List<String> listData,
     int? currentPage,
+    Function? editCallback,
   }) async {
     showDialog(
         context: Get.context!,
@@ -15,6 +16,7 @@ class LookImagesTool {
           return LookImagesWidget(
             listData: listData,
             currentPage: currentPage,
+            editCallback: editCallback,
           );
         });
   }
@@ -23,11 +25,13 @@ class LookImagesTool {
 class LookImagesWidget extends StatefulWidget {
   final List<String> listData;
   final int? currentPage;
+  final Function? editCallback;
 
   const LookImagesWidget({
     super.key,
     required this.listData,
     this.currentPage,
+    this.editCallback,
   });
 
   @override
@@ -77,6 +81,10 @@ class _LookImagesWidgetState extends State<LookImagesWidget> {
               left: 15,
               top: 50,
               child: GestureDetector(onTap: () => Get.back(), child: Icon(Icons.arrow_back_ios, color: Colors.white))),
+          Positioned(
+              right: 15,
+              top: 50,
+              child: GestureDetector(onTap: () => widget.editCallback?.call(), child: Icon(Icons.edit, color: Colors.white))),
           //图片张数指示器
           Positioned(
             left: 0,