Explicitly opt out of Flutter Icon Tree Shaking (#9718)

Author: dcharkes

packages/devtools_app/lib/src/extensions/extension_screen.dart

@@ -132,6 +132,8 @@ class ExtensionView extends StatelessWidget {
 
 extension ExtensionConfigExtension on DevToolsExtensionConfig {
   IconData get icon =>
+      // The code point is dynamic. Flutter Icon Tree Shaking disabled.
+      // ignore: non_const_argument_for_const_parameter
       IconData(materialIconCodePoint, fontFamily: 'MaterialIcons');
 
   String get screenId => '${name}_ext';

packages/devtools_app/lib/src/shared/ui/icons.dart

@@ -271,6 +271,8 @@ class FlutterMaterialIcons {
 
   static Icon getIconForCodePoint(int charCode, ColorScheme colorScheme) {
     return Icon(
+      // The code point is dynamic. Flutter Icon Tree Shaking disabled.
+      // ignore: non_const_argument_for_const_parameter
       IconData(charCode, fontFamily: 'MaterialIcons'),
       color: colorScheme.onSurface,
     );