[gui] remove undeeded stuff

src/client/gui/lib/extensions.dart

@@ -107,19 +107,3 @@ extension NullableMap<T> on T? {
     }
   }
 }
-
-// needed because in release mode Flutter does not emit the actual code for toString for some classes
-// instead the returned strings are of type "Instance of '<Type>'"
-// this is done to reduce binary size, and it cannot be turned off :face-with-rolling-eyes:
-// see https://api.flutter.dev/flutter/dart-ui/keepToString-constant.html for more info
-extension SizeActualString on Size {
-  String s() {
-    return 'Size(${width.toStringAsFixed(1)}, ${height.toStringAsFixed(1)})';
-  }
-}
-
-extension RectActualString on Rect {
-  String s() {
-    return 'Rect.fromLTRB(${left.toStringAsFixed(1)}, ${top.toStringAsFixed(1)}, ${right.toStringAsFixed(1)}, ${bottom.toStringAsFixed(1)})';
-  }
-}

src/client/gui/lib/platform/linux.dart

@@ -59,9 +59,6 @@ class LinuxPlatform extends MpPlatform {
   String? get homeDirectory => Platform.environment['SNAP'] == null
       ? Platform.environment['HOME']
       : Platform.environment['SNAP_REAL_HOME'];
-
-  @override
-  bool get multiplyScreenScaleFactor => true;
 }
 
 class LinuxAutostartNotifier extends AutostartNotifier {

src/client/gui/lib/platform/macos.dart

@@ -59,9 +59,6 @@ class MacOSPlatform extends MpPlatform {
 
   @override
   String? get homeDirectory => Platform.environment['HOME'];
-
-  @override
-  bool get multiplyScreenScaleFactor => false;
 }
 
 class MacOSAutostartNotifier extends AutostartNotifier {

src/client/gui/lib/platform/platform.dart

@@ -27,8 +27,6 @@ abstract class MpPlatform {
   String get metaKey => 'Meta';
 
   String? get homeDirectory;
-
-  bool get multiplyScreenScaleFactor;
 }
 
 MpPlatform _getPlatform() {

src/client/gui/lib/platform/windows.dart

@@ -59,9 +59,6 @@ class WindowsPlatform extends MpPlatform {
 
   @override
   String? get homeDirectory => Platform.environment['USERPROFILE'];
-
-  @override
-  bool get multiplyScreenScaleFactor => true;
 }
 
 class WindowsAutostartNotifier extends AutostartNotifier {

src/client/gui/lib/window_size.dart

@@ -6,7 +6,6 @@ import 'package:shared_preferences/shared_preferences.dart';
 import 'package:window_manager/window_manager.dart';
 import 'package:window_size/window_size.dart';
 
-import 'extensions.dart';
 import 'logger.dart';
 
 const windowWidthKey = 'windowWidth';
@@ -79,3 +78,19 @@ Size computeDefaultWindowSize(Size? screenSize) {
   logger.d('Computed default window size: ${size.s()}');
   return size;
 }
+
+// needed because in release mode Flutter does not emit the actual code for toString for some classes
+// instead the returned strings are of type "Instance of '<Type>'"
+// this is done to reduce binary size, and it cannot be turned off :face-with-rolling-eyes:
+// see https://api.flutter.dev/flutter/dart-ui/keepToString-constant.html for more info
+extension on Size {
+  String s() {
+    return 'Size(${width.toStringAsFixed(1)}, ${height.toStringAsFixed(1)})';
+  }
+}
+
+extension on Rect {
+  String s() {
+    return 'Rect.fromLTRB(${left.toStringAsFixed(1)}, ${top.toStringAsFixed(1)}, ${right.toStringAsFixed(1)}, ${bottom.toStringAsFixed(1)})';
+  }
+}