Fix event leak on reuse of touchbar item (#12527)
Fix event leak on reuse of touchbar item (#12527)

* fix event leak on reuse of touchbar item

* Clean up child touch bar item event listeners and escape item listeners

the-ress/electron,bpasero/electron,bpasero/electron,seanchas116/electron,electron/electron,the-ress/electron,seanchas116/electron,electron/electron,gerhardberger/electron,electron/electron,shiftkey/electron,shiftkey/electron,bpasero/electron,bpasero/electron,gerhardberger/electron,shiftkey/electron,gerhardberger/electron,gerhardberger/electron,the-ress/electron,electron/electron,shiftkey/electron,gerhardberger/electron,the-ress/electron,gerhardberger/electron,bpasero/electron,electron/electron,seanchas116/electron,electron/electron,bpasero/electron,electron/electron,bpasero/electron,seanchas116/electron,the-ress/electron,the-ress/electron,shiftkey/electron,gerhardberger/electron,shiftkey/electron,seanchas116/electron,seanchas116/electron,the-ress/electron