fix: try request grant external storage on Android (#660)

ui/flutter/pubspec.lock

@@ -241,6 +241,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.4.4"
+  device_info_plus:
+    dependency: "direct main"
+    description:
+      name: device_info_plus
+      sha256: "77f757b789ff68e4eaf9c56d1752309bd9f7ad557cb105b938a7f8eb89e59110"
+      url: "https://pub.dev"
+    source: hosted
+    version: "9.1.2"
+  device_info_plus_platform_interface:
+    dependency: transitive
+    description:
+      name: device_info_plus_platform_interface
+      sha256: "282d3cf731045a2feb66abfe61bbc40870ae50a3ed10a4d3d217556c35c8c2ba"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.1"
   dio:
     dependency: "direct main"
     description:
@@ -709,6 +725,54 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.3.0"
+  permission_handler:
+    dependency: "direct main"
+    description:
+      name: permission_handler
+      sha256: "18bf33f7fefbd812f37e72091a15575e72d5318854877e0e4035a24ac1113ecb"
+      url: "https://pub.dev"
+    source: hosted
+    version: "11.3.1"
+  permission_handler_android:
+    dependency: transitive
+    description:
+      name: permission_handler_android
+      sha256: "76e4ab092c1b240d31177bb64d2b0bea43f43d0e23541ec866151b9f7b2490fa"
+      url: "https://pub.dev"
+    source: hosted
+    version: "12.0.12"
+  permission_handler_apple:
+    dependency: transitive
+    description:
+      name: permission_handler_apple
+      sha256: e6f6d73b12438ef13e648c4ae56bd106ec60d17e90a59c4545db6781229082a0
+      url: "https://pub.dev"
+    source: hosted
+    version: "9.4.5"
+  permission_handler_html:
+    dependency: transitive
+    description:
+      name: permission_handler_html
+      sha256: "54bf176b90f6eddd4ece307e2c06cf977fb3973719c35a93b85cc7093eb6070d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.1"
+  permission_handler_platform_interface:
+    dependency: transitive
+    description:
+      name: permission_handler_platform_interface
+      sha256: fe0ffe274d665be8e34f9c59705441a7d248edebbe5d9e3ec2665f88b79358ea
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.2.2"
+  permission_handler_windows:
+    dependency: transitive
+    description:
+      name: permission_handler_windows
+      sha256: "1a790728016f79a41216d88672dbc5df30e686e811ad4e698bfc51f76ad91f1e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.1"
   petitparser:
     dependency: transitive
     description: