Do not reset the renderer on SDL_RENDER_TARGETS_RESET

We only need to do this on a SDL_RENDER_DEVICE_RESET where we lose the whole device.

This also reverts a56efe5 since this change is not needed when handling the reset events properly.

app/streaming/video/ffmpeg-renderers/plvk.cpp

@@ -871,7 +871,7 @@ void PlVkRenderer::renderFrame(AVFrame *frame)
 
         // Recreate the renderer
         SDL_Event event;
-        event.type = SDL_RENDER_TARGETS_RESET;
+        event.type = SDL_RENDER_DEVICE_RESET;
         SDL_PushEvent(&event);
         goto UnmapExit;
     }