David Taylor 0f5a8cc526
DEV: Enforce dominant_color length in validation (#18309)
The `add_column` `limit` parameter has no effect on a postgres `text` column. Instead we can perform the check in ActiveRecord.

We never expect this condition to be hit - users cannot control this value. It's just a safety net.
2022-09-21 11:01:21 +01:00
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