Do not override the user's appearance settings on startup

Closes #2912

src/gui/Src/Gui/MainWindow.cpp

@@ -526,6 +526,7 @@ void MainWindow::loadSelectedTheme(bool reloadOnlyStyleCss)
         {
             BridgeSettingSet("Theme", "Selected", appsUseLightTheme ? "Default" : "Dark");
             BridgeSettingSetUint("Theme", "AppsUseLightTheme", appsUseLightTheme);
+            reloadOnlyStyleCss = false;
         }
     }
 
@@ -615,6 +616,7 @@ void MainWindow::loadSelectedTheme(bool reloadOnlyStyleCss)
     }
 
     // Skip changing the settings when only reloading the CSS
+    // On startup we want to preserve the user's appearance
     if(reloadOnlyStyleCss)
         return;
 

src/gui/Src/main.cpp

@@ -181,8 +181,8 @@ int main(int argc, char* argv[])
     appPalette.setColor(QPalette::Link, ConfigColor("LinkColor"));
     application.setPalette(appPalette);
 
-    // Load the selected style
-    MainWindow::loadSelectedTheme();
+    // Load the selected theme
+    MainWindow::loadSelectedTheme(true);
 
     // Register custom data types
     qRegisterMetaType<dsint>("dsint");