update dialog,use flutter_smart_dialog

pubspec.yaml

@@ -32,7 +32,6 @@ dependencies:
   path_provider: ^2.0.2
   external_path: ^1.0.1
   provider: ^5.0.0
-  flutter_easyloading: ^3.0.3
   tuple: ^2.0.0
   wakelock: ^0.5.2
   device_info: ^2.0.2 
@@ -50,6 +49,9 @@ dependencies:
   zxing2: ^0.1.0
   image_picker: ^0.8.5
   image: ^3.1.3
+  flutter_smart_dialog:
+    git:
+      url: https://github.com/Heap-Hop/flutter_smart_dialog.git
 
 dev_dependencies:
   flutter_launcher_icons: ^0.9.1