Set paleocontextchildtable in new disciplines

[alesan99]

Fixes #7782

Geology discipline -> Collection Object
Paleo Discipline -> Collecting Event

Checklist

• Self-review the PR after opening it to make sure the changes look good and
  self-explanatory (or properly documented)
• Add relevant issue to release milestone
• Add pr to documentation list
• Add automated tests
• Add a reverse migration if a migration is present in the PR

Testing instructions

• Create a new Geology discipline (Either in System Configuration or in a new database)
• The paleocontextchildtable field in discipline should be collectionobject
• Create a new Paleo discipline
• The paleocontextchildtable field in discipline should be collectingevent