Keyboard focus is going on background element when navigating under 'Transform' dialog box.

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Repro steps:

1. Open URL - jsoneditor-example - CodeSandbox
2. Navigate to 'Filter' button in the code editor and activate it.
3. Transform dialog will get open.
4. Navigate via tab key and observe the issue.

Actual Result:
Keyboard focus is going on background hidden element when navigating under 'Transform' dialog box.

Expected Result:
Keyboard focus should not move to background element when navigating under 'Transform' dialog box.

Attachment:

Keyboard.focus.navigating.out.of.the.dialog.1.mp4

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Hi team, Any update on this issue?