Bugfix to avoid that ThemeData doesn't get changed correctly when darkTheme is s…

…et in GetMaterialApp and Theme should be changed to a ThemeData with Brightness.dark.

@@ -245,7 +245,7 @@ class GetMaterialApp extends StatelessWidget {
               onGenerateTitle: onGenerateTitle,
               color: color,
               theme: _.theme ?? theme ?? ThemeData.fallback(),
-              darkTheme: darkTheme,
+              darkTheme: _.darkTheme ?? darkTheme ?? ThemeData.fallback(),
               themeMode: _.themeMode ?? themeMode,
               locale: Get.locale ?? locale,
               localizationsDelegates: localizationsDelegates,
@@ -293,7 +293,7 @@ class GetMaterialApp extends StatelessWidget {
               onGenerateTitle: onGenerateTitle,
               color: color,
               theme: _.theme ?? theme ?? ThemeData.fallback(),
-              darkTheme: darkTheme,
+              darkTheme: _.darkTheme ?? darkTheme ?? ThemeData.fallback(),
               themeMode: _.themeMode ?? themeMode,
               locale: Get.locale ?? locale,
               localizationsDelegates: localizationsDelegates,

@@ -10,6 +10,7 @@ class GetMaterialController extends GetxController {
   bool testMode = false;
   Key? unikey;
   ThemeData? theme;
+  ThemeData? darkTheme;
   ThemeMode? themeMode;
 
   bool defaultPopGesture = GetPlatform.isIOS;
@@ -36,7 +37,11 @@ class GetMaterialController extends GetxController {
   Map<int, GlobalKey<NavigatorState>> keys = {};
 
   void setTheme(ThemeData value) {
+    if (value.brightness == Brightness.light) {
       theme = value;
+    } else {
+      darkTheme = value;
+    }
     update();
   }