Change the default editor camera rotation to position it in +X +Y +Z

editor/plugins/node_3d_editor_plugin.h

@@ -391,7 +391,9 @@ private:
 		Point2 region_begin, region_end;
 
 		Cursor() {
-			x_rot = y_rot = 0.5;
+			// These rotations place the camera in +X +Y +Z, aka south east, facing north west.
+			x_rot = 0.5;
+			y_rot = -0.5;
 			distance = 4;
 			region_select = false;
 		}