The cursor is not moved in Page Number field with keyboard arrow keys

[chalov-anton]

Preconditions (*)

1. Install Magento with Adobe Stock Integration

Steps to reproduce (*)

1. From Magento Admin go to Content - Pages, click Add New Page
2. Expand Content, click Show / Hide Editor, select Insert Image...
3. Click Search Adobe Stock
4. Try to edit the pages field, move the cursor on it and click
   
5. Try to move the cursor with left and right arrow keys on the keyboard

Expected result (*)

The cursor should be moved in order to edit the page number

Actual result (*)

The cursor is not moved
This is a bug because it works in Сatalog - Products for example

[rogyar]

From my attempts to figure out what's wrong, I found the following. If you try to add any input type="number" to the AdobeStock modal, you get the same issue. So, I assume, it's not about the pager component somehow but some parent event listener.
Will proceed with the clues gathering.

[rogyar]

Well then, I got the cause of this issue. The jsTree hotkeys plugin conflicts with <input type="number"/>. The plugin works well with most input types but overtakes keyboard cursors control from the number type. So, basically, if we have jsTree with hotkeys plugin enabled and <input type="number"/> on the same page, the keyboard cursor buttons will be handled by jsTree when any of the<input type="number"/> is focused.
I have not found a reliable solution so far except disabling the hotkeys plugin

https://github.com/magento/magento2/blob/cfa160903307359cc3de11e5e781774e289276e5/app/code/Magento/Cms/view/adminhtml/web/js/folder-tree.js#L20

[rogyar]

Nevermind, I found a more elegant solution 🤓

[drpayyne]

@sivaschenko, issue label status needs to be applied here too.