### Summary of Changes
Resolves#14715 and #14280.
When a user types into a **Select/Multi-Select** table cell to
create/choose a tag, that character is stashed on the cell container
(setTagDraft) instead of going through valueSetFromString. Opening the
tag picker reads it via consumeTagDraftFromTableCellHost.
### Verification
- Added unit test to check that single-character input doesn't
immediately call valueSetFromString.
https://github.com/user-attachments/assets/432b2693-52f9-4ab4-a694-8440aea007a3
<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit
* **New Features**
* Tag selection popups now initialize with draft text from keypresses in
tag columns, improving user experience when editing tags.
* **Tests**
* Added comprehensive hotkey tests for single-select and multi-select
tag column behavior.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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