Custom Mini-Player turns to default size after a while

Concise Description

After a while, the custom mini-player that was custom resized turned to the default size.

Browser/s

Brave

Other Browser:

No response

'Steps to reproduce' - Which of our features is required for the bug to happen?

Enable Mini-Player and resize it.

Since when?

Some days after resizing Mini-Player the default size is set.

Does the bug still happen when you log out of YouTube?

None

..No? Then please paste your yt.config_.EXPERIMENT_FLAGS. Twice (With the error & Without)

No response

Are any errors or related log-messages shown in the Browser-Console? (F12)

No response

Tested as the only active extension? (incognito mode or another browser users):

None

Expected preferred behavior:

The Mini-Player size should be always in the user's custom size.

ImprovedTube Version

No response

Your Settings (From the Extension's ⋮-Hamburger menu > Settings > Backup & reset > Export settings)

No response

Your YouTube-Document

No response

OS / Device:

No response

Start by reproducing the issue in Brave: enable the Mini-Player, resize it, and observe whether the custom dimensions are later replaced. Trace how the extension stores and restores the Mini-Player size; done means the chosen size remains after the reported delay.