Use EGL_VENDOR instead of NV-CONTROL for Nvidia detection

The latter will still match on a hybrid system when the iGPU's EGL
implementation is in use. This scenario works properly with EGL
rendering in Qt and SDL, so we want to allow that.

app/main.cpp

@@ -476,11 +476,7 @@ int main(int argc, char *argv[])
 #endif
     }
 
-    // Nvidia's proprietary driver has broken EGL support on X11, so don't use it.
-    // This will break the EGLRenderer, but that's fine on Nvidia because they
-    // support both VDPAU and Vulkan renderers instead.
-    // https://github.com/moonlight-stream/moonlight-qt/issues/1751
-    if (!WMUtils::isRunningX11NvidiaProprietaryDriver()) {
+    if (WMUtils::isEGLSafe()) {
         // Some ARM and RISC-V embedded devices don't have working GLX which can cause
         // SDL to fail to find a working OpenGL implementation at all. Let's force EGL
         // on all platforms for both SDL and Qt. This also avoids GLX-EGL interop issues