Fix navigation bug when opening the VM flags dialog (#8413)

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

diff --git a/packages/devtools_app/lib/src/shared/ui/vm_flag_widgets.dart b/packages/devtools_app/lib/src/shared/ui/vm_flag_widgets.dart
index 30a359c..4cdae9a 100644
--- a/packages/devtools_app/lib/src/shared/ui/vm_flag_widgets.dart
+++ b/packages/devtools_app/lib/src/shared/ui/vm_flag_widgets.dart
@@ -130,7 +130,6 @@
       gaSelection: gac.HomeScreenEvents.viewVmFlags.name,
       minScreenWidthForTextBeforeScaling: minScreenWidthForTextBeforeScaling,
       onPressed: () {
-        Navigator.of(context, rootNavigator: true).pop('dialog');
         unawaited(
           showDialog(
             context: context,

packages/devtools_app/release_notes/NEXT_RELEASE_NOTES.md

diff --git a/packages/devtools_app/release_notes/NEXT_RELEASE_NOTES.md b/packages/devtools_app/release_notes/NEXT_RELEASE_NOTES.md
index 14ec4e3..f1c2f28 100644
--- a/packages/devtools_app/release_notes/NEXT_RELEASE_NOTES.md
+++ b/packages/devtools_app/release_notes/NEXT_RELEASE_NOTES.md
@@ -34,6 +34,9 @@
 * Fixed a bug that was causing data filters to be cleared when clearing data
 on the Network and Logging screens. - [#8407](https://github.com/flutter/devtools/pull/8407)
 
+* Fixed a bug that was causing the navigator to lose state when opening the VM
+Flags dialog. - [#8413](https://github.com/flutter/devtools/pull/8413)
+
 ## Inspector updates
 
 - Added a setting to the Flutter Inspector controls that allows users to opt-in to the newly redesigned Flutter Inspector. - [#8342](https://github.com/flutter/devtools/pull/8342)