Bug Report: Removed Shortcut Triggers Unexpected Actions

I encountered a bug in the trading backtesting platform related to keyboard shortcuts. If I remove a shortcut, it appears as "undefined" in the shortcut settings. However, after removal, pressing any key on the keyboard unexpectedly triggers the corresponding action.

For example, if I remove the shortcut for drawing a rectangle, pressing any key (such as ESC or DEL) causes the rectangle tool to be selected. If I press DEL to delete the rectangle, it gets removed, but the rectangle tool is immediately reactivated. Clicking the mouse again draws a new rectangle.

Please confirm this issue and fix it as soon as possible. Thank you.