[BUG] hitting keyboard escape key to exit image preview crashes the web app

[rezk2ll]

Is there an existing issue for this?

• I have searched the existing issues

Describe the bug

when opening an image and clicking on it then hitting the escape key on the keyboard it causes an exception and crashes the application

Pre-Bug State

open image preview in a channel / DM

To Reproduce

• open channel / DM
• click on the image to preview
• click on the image
• Hit the escape key

Expected results

the app should close the image preview and return back to channel

Context

• Device: HP-ProBook
• OS: Ubuntu 22.04.5 LTS
• Browser: Chrome
• App Version: 2.6.16
• Server: staging and linagora.com platforms

Screenshots or Video

Screenshots / Video demonstration

escape.mp4

Logs

Logs

Uncaught Error: Null check operator used on a null value
    at cVr.$1 (keyboard_shortcuts.dart:51:66)
    at io.u (iterable.dart:451:11)
    at Object.dmi (keyboard_shortcuts.dart:55:3)
    at keyboard_shortcuts.dart:135:73
    at cW6.a (async_patch.dart:303:19)
    at cW6.$2 (async_patch.dart:328:23)
    at Object.m (async_patch.dart:233:3)
    at zL.c0N (keyboard_shortcuts.dart:130:5)
    at zL.Lm (keyboard_shortcuts.dart:130:5)
    at tear_off.<anonymous> (js_helper.dart:2388:9)

Additional information

No response