fix(input): handle @/# coordinate modes

src/app/update/viewport.rs

@@ -2823,6 +2823,7 @@ impl OpenCADStudio {
                 // restore the running osnap configuration (#337).
                 self.snapper.clear_override();
                 self.dyn_user_reshaped = false;
+                self.dyn_coord_absolute = false;
                 self.sync_dyn_fields();
                 self.reset_tracking_after_point();
                 // A running Tangent snap may carry a tangent object; a