[Tab Model] commit all closures if an non-undoable closure happens

This can lead to unexpected results such as undoing a tab to a group
that no longer exists.

Fixed: 417076672
Change-Id: I1a631687d7591bc4506de3faeb17ca34c8f53c95
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6534302
Commit-Queue: Calder Kitagawa <ckitagawa@chromium.org>
Reviewed-by: Sky Malice <skym@chromium.org>
Commit-Queue: Sky Malice <skym@chromium.org>
Auto-Submit: Calder Kitagawa <ckitagawa@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1459113}