Add a collection pref to display parent cat num if empty

[CarolineDenis]

Fixes #6409

Warning

This PR affects database migrations. See migration testing instructions.

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 relevant documentation (Tester - Dev)
• Add automated tests
• Add a reverse migration if a migration is present in the PR

Testing instructions

• Go to app resources > collection preference
• Add this snippet:

  "catalogNumberParentInheritance": {
    "behavior": {
      "inheritance": true
    }
  },

• Save than clear cache
• Create or open a CO with a cat num
• Add a child to it without a cat num
• Save
• Add a second child with a cat num
• Save
• Reload the page
• Verify that the parent cat num is displayed as placeholder for the empty cat num child (it can take a few seconds to appear)
• Verify that the cat num you enter for the other one is displayed normally
• Go to app resource > collection pref
• Remove the pref
• Clear cache
• Go back to your CO
• verify there is no place holder for the empty cat num child

[emenslin]

• Verify that the parent cat num is displayed as placeholder for the empty cat num child
• Verify that the cat num you enter for the other one is displayed normally
• verify there is no place holder for the empty cat num child

Looks good

[pashiav]

• Verify that the parent cat num is displayed as placeholder for the empty cat num child (it can take a few seconds to appear)
• Verify that the cat num you enter for the other one is displayed normally
• verify there is no place holder for the empty cat num child

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Looks good! Working as expected.