Selecting multiple rotated tiles fixes its rotation to the original value

[ZzinnerGamer]

Just as title says, whenever i use Shift+E rotates the tiles back. It doesnt happens always for some motive, but frequently enough to be a problem. Like 90ish % of the time.
No errors/warnings on console.

Edit: Ctrl+Z while the Mass Edit's control window is active "solves" the problem, but still its anoying.

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