Use updated linux runner path and fallback to legacy path

lib/platform_file_editors/linux_platform_file_editor.dart

@@ -19,6 +19,10 @@ class LinuxPlatformFileEditor extends AbstractPlatformFileEditor {
     ['linux', 'CMakeLists.txt'],
   );
   String linuxAppCppPath = convertPath(
+    ['linux', 'runner', 'my_application.cc'],
+  );
+
+  final String _legacyLinuxAppCppPath = convertPath(
     ['linux', 'my_application.cc'],
   );
 
@@ -50,16 +54,29 @@ class LinuxPlatformFileEditor extends AbstractPlatformFileEditor {
     return null;
   }
 
-  /// Fetches the bundle ID from the Linux my_application.cc file.
+  /// Fetches the bundle ID from the Linux CMakeLists.txt file.
   ///
   /// Returns: Future<String?>, the bundle ID if found, null otherwise.
   @override
   Future<String?> getBundleId() async {
-    final filePath = linuxAppCppPath;
+    var filePath = linuxCMakeListsPath;
     var contentLineByLine = await readFileAsLineByline(
       filePath: filePath,
       platform: platform,
     );
+    for (var i = 0; i < contentLineByLine.length; i++) {
+      if (contentLineByLine[i]?.contains('set(APPLICATION_ID') ?? false) {
+        var match = RegExp(r'set\(APPLICATION_ID "(.*?)"\)')
+            .firstMatch(contentLineByLine[i]!);
+        return match?.group(1)?.trim();
+      }
+    }
+
+    filePath = _legacyLinuxAppCppPath;
+    contentLineByLine = await readFileAsLineByline(
+      filePath: filePath,
+      platform: platform,
+    );
     for (var i = 0; i < contentLineByLine.length; i++) {
       if (contentLineByLine[i]?.contains('kFlutterWindowTitle') ?? false) {
         var match = RegExp(r'kFlutterWindowTitle = "(.*?)"')
@@ -98,25 +115,42 @@ class LinuxPlatformFileEditor extends AbstractPlatformFileEditor {
     return message;
   }
 
-  /// Sets the bundle ID in the Linux my_application.cc file.
+  /// Sets the bundle ID in the Linux CMakeLists.txt file.
   ///
   /// Parameters:
   /// - `bundleId`: The new bundle ID to be set for the application.
   ///
   /// Returns: Future<String?>, a success message indicating the change in bundle ID.
   @override
   Future<String?> setBundleId({required String bundleId}) async {
-    final filePath = linuxAppCppPath;
+    var filePath = linuxCMakeListsPath;
     List? contentLineByLine = await readFileAsLineByline(
       filePath: filePath,
       platform: platform,
     );
+    var applicationIdSet = false;
     for (var i = 0; i < contentLineByLine.length; i++) {
-      if (contentLineByLine[i].contains('kFlutterWindowTitle')) {
-        contentLineByLine[i] =
-            'const char kFlutterWindowTitle[] = \"$bundleId\";';
+      if (contentLineByLine[i].contains('set(APPLICATION_ID')) {
+        contentLineByLine[i] = 'set(APPLICATION_ID \"$bundleId\")';
+        applicationIdSet = true;
+        break;
+      }
+    }
+
+    if(!applicationIdSet) {
+      filePath = _legacyLinuxAppCppPath;
+      contentLineByLine = await readFileAsLineByline(
+        filePath: filePath,
+        platform: platform,
+      );
+      for (var i = 0; i < contentLineByLine.length; i++) {
+        if (contentLineByLine[i].contains('kFlutterWindowTitle')) {
+          contentLineByLine[i] =
+              'const char kFlutterWindowTitle[] = \"$bundleId\";';
+        }
       }
     }
+
     final message = await super.setBundleId(bundleId: bundleId);
     await writeFile(
       filePath: filePath,