🐛 Fixed tag creation via the Post Settings Menu
🐛 Fixed tag creation via the Post Settings Menu

closes https://github.com/TryGhost/Ghost/issues/9619
- https://github.com/TryGhost/Ghost-Admin/commit/e28a96097082f38377ce93c7bb688babc1e20d4b changed `availableTags` to be the direct result of `store.peekAll()` rather than a promise that resolved to the peekAll result but other code was not updated and still expected a promise object

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