fix(ios): stabilize keyboard toolbar, image picker, and scrolling (#15182)

## Summary
- keep the editor active when iOS keyboard toolbar interactions move
focus into range-sync excluded widgets
- use the native iOS image picker/source sheet and sync native
presentation with the app theme
- pin `ListViewKit` to `1.1.6` so the iOS workspace resolves with Xcode
16.3
- restore vertical scrolling in the iOS `WKWebView` by removing the
global `contentOffset` reset while preserving zoom prevention

## Test plan
- [x] `yarn vitest --run --config \"vitest.config.ts\"
--browser.enabled=false \"src/__tests__/inline/active.unit.spec.ts\"`
- [x] `LANG=en_US.UTF-8 LC_ALL=en_US.UTF-8 xcodebuild
-resolvePackageDependencies -workspace
\"packages/frontend/apps/ios/App/App.xcworkspace\" -scheme \"App\"`
- [x] `xcodebuild -workspace \"App.xcworkspace\" -scheme \"App\"
-destination \"generic/platform=iOS Simulator\" build
CODE_SIGNING_ALLOWED=NO ONLY_ACTIVE_ARCH=YES ARCHS=arm64`
- [x] Xcode build validation for the updated PR branch

packages/frontend/apps/ios/App/App.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -32,8 +32,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/Lakr233/ListViewKit",
       "state" : {
-        "revision" : "07f7adfa0629f8647991e3c148b7d3e060fe2917",
-        "version" : "1.2.0"
+        "revision" : "a4372d7f90c846d834c1f1575d1af0050d70fa0f",
+        "version" : "1.1.6"
       }
     },
     {
@@ -63,15 +63,6 @@
         "version" : "3.9.1"
       }
     },
-    {
-      "identity" : "msdisplaylink",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/Lakr233/MSDisplayLink",
-      "state" : {
-        "revision" : "ebf5823cb5fc1326639d9a05bc06d16bbe82989f",
-        "version" : "2.0.8"
-      }
-    },
     {
       "identity" : "purchases-ios-spm",
       "kind" : "remoteSourceControl",