Hand cherry-pick of fix from master.

Fixes https://gitlab.com/kicad/code/kicad/issues/11261

pcbnew/pcb_base_frame.cpp

@@ -885,6 +885,8 @@ void PCB_BASE_FRAME::CommonSettingsChanged( bool aEnvVarsChanged, bool aTextVars
                 return false;
             } );
 
+    GetCanvas()->GetView()->UpdateAllItems( KIGFX::COLOR );
+
     RecreateToolbars();
 
     // The 3D viewer isn't in the Kiway, so send its update manually