Merge branch 'fix-selection-crash' into 'noggit-shadowlands'

fix object selection crashes

See merge request prophecy-rp/noggit-red!32

src/noggit/MapView.cpp

@@ -5095,6 +5095,9 @@ void MapView::wheelEvent (QWheelEvent* event)
 
 void MapView::mouseReleaseEvent (QMouseEvent* event)
 {
+  makeCurrent();
+  OpenGL::context::scoped_setter const _(::gl, context());
+
   switch (event->button())
   {
   case Qt::LeftButton: