feat: improve file select tree view (#853)

ui/flutter/pubspec.lock

@@ -145,6 +145,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.0"
+  checkable_treeview:
+    dependency: "direct main"
+    description:
+      name: checkable_treeview
+      sha256: e38cf0a1088b803707a1f0b271ac46210108aac81c2dad506d0d56e7932ab690
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.0"
   checked_yaml:
     dependency: transitive
     description:
@@ -321,14 +329,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.0"
-  fluent_ui:
-    dependency: "direct main"
-    description:
-      name: fluent_ui
-      sha256: a8c76cb501303d108cb9bd33e516da7cfd078031ff427d68eab6069bf4492a2c
-      url: "https://pub.dev"
-    source: hosted
-    version: "4.8.7"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -525,30 +525,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.2.2"
-  leak_tracker:
-    dependency: transitive
-    description:
-      name: leak_tracker
-      sha256: "78eb209deea09858f5269f5a5b02be4049535f568c07b275096836f01ea323fa"
-      url: "https://pub.dev"
-    source: hosted
-    version: "10.0.0"
-  leak_tracker_flutter_testing:
-    dependency: transitive
-    description:
-      name: leak_tracker_flutter_testing
-      sha256: b46c5e37c19120a8a01918cfaf293547f47269f7cb4b0058f21531c2465d6ef0
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.0.1"
-  leak_tracker_testing:
-    dependency: transitive
-    description:
-      name: leak_tracker_testing
-      sha256: a597f72a664dbd293f3bfc51f9ba69816f84dcd403cdac7066cb3f6003f3ab47
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.0.1"
   lecle_downloads_path_provider:
     dependency: "direct main"
     description:
@@ -617,26 +593,18 @@ packages:
     dependency: transitive
     description:
       name: matcher
-      sha256: d2323aa2060500f906aa31a895b4030b6da3ebdcc5619d14ce1aada65cd161cb
+      sha256: "1803e76e6653768d64ed8ff2e1e67bea3ad4b923eb5c56a295c3e634bad5960e"
       url: "https://pub.dev"
     source: hosted
-    version: "0.12.16+1"
+    version: "0.12.16"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      sha256: "0e0a020085b65b6083975e499759762399b4475f766c21668c4ecca34ea74e5a"
+      sha256: "9528f2f296073ff54cb9fee677df673ace1218163c3bc7628093e7eed5203d41"
       url: "https://pub.dev"
     source: hosted
-    version: "0.8.0"
-  math_expressions:
-    dependency: transitive
-    description:
-      name: math_expressions
-      sha256: e32d803d758ace61cc6c4bdfed1226ff60a6a23646b35685670d28b5616139f8
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.6.0"
+    version: "0.5.0"
   menu_base:
     dependency: transitive
     description:
@@ -649,10 +617,10 @@ packages:
     dependency: transitive
     description:
       name: meta
-      sha256: d584fa6707a52763a52446f02cc621b077888fb63b93bbcb1143a7be5a0c0c04
+      sha256: a6e590c838b18133bb482a2745ad77c5bb7715fb0451209e1a7567d416678b8e
       url: "https://pub.dev"
     source: hosted
-    version: "1.11.0"
+    version: "1.10.0"
   mime:
     dependency: transitive
     description:
@@ -697,10 +665,10 @@ packages:
     dependency: "direct main"
     description:
       name: path
-      sha256: "087ce49c3f0dc39180befefc60fdb4acd8f8620e5682fe2476afd0b3688bb4af"
+      sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
       url: "https://pub.dev"
     source: hosted
-    version: "1.9.0"
+    version: "1.8.3"
   path_provider:
     dependency: "direct main"
     description:
@@ -854,14 +822,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.2.1"
-  recase:
-    dependency: transitive
-    description:
-      name: recase
-      sha256: e4eb4ec2dcdee52dcf99cb4ceabaffc631d7424ee55e56f280bc039737f89213
-      url: "https://pub.dev"
-    source: hosted
-    version: "4.1.0"
   rounded_loading_button_plus:
     dependency: "direct main"
     description:
@@ -886,14 +846,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.1.9"
-  scroll_pos:
-    dependency: transitive
-    description:
-      name: scroll_pos
-      sha256: cebf602b2dd939de6832bb902ffefb574608d1b84f420b82b381a4007d3c1e1b
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.5.0"
   share_plus:
     dependency: "direct main"
     description:
@@ -1203,14 +1155,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.4"
-  vm_service:
-    dependency: transitive
-    description:
-      name: vm_service
-      sha256: b3d56ff4341b8f182b96aceb2fa20e3dcb336b9f867bc0eafc0de10f1048e957
-      url: "https://pub.dev"
-    source: hosted
-    version: "13.0.0"
   watcher:
     dependency: transitive
     description: