This PR will create the migration to be run for the morph relations
- We created a dedicated util to generate the column name and refactored
a little the code in order to have less dependencies and a clearer devX
(updated the snapshot that changed because of this)
- Moved the `createMigrationActions` to its own util as well
- Created the `MorphRelationColumnActionFactory` based on the relation
one
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Co-authored-by: Charles Bochet <charles@twenty.com>
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