Split stalled migration for string columns' empty default values

Description

The migration from could not be run successfully on production because of the size of the taggings table. We can try having the taggings table changes in a separate migration.

Output from the attempted migration from james_:

Environment

None

Status

Assignee

Unassigned

Reporter

redsummernight

Roadmap

Misc

Priority

Medium

Affects versions

Fix versions

None

Components

BackEnd

Difficulty

Medium

Required Access Level

None

Milestone

Internal 0.9
Configure