Extend custom fields to Position, Organization, Location

[cemalettin-work]

Position, Organization and Location will now have custom fields defined. System admins can update anet-dictionary.yml file to choose what kind of fields they would like to add to these types.

Added customFields columns to positions, organizations and locations table. The development anet-dictionary.yml file has these three new custom fields same as person.customFields, system admins should update these according to their requirements.

Closes #3367

User changes

• Users will see additional fields from custom fields in these pages/forms.

Super User changes

• Super users will see additional fields ( custom fields) that needs to be filled when creating Position, Location, Organization

Admin (System admin) changes

• dictionary.fields.position.customFields, dictionary.fields.organization.customFields, dictionary.fields.location.customFields can be filled according to requirements.

System admin changes

• anet.yml or anet-dictionary.yml needs change
• db needs migration
• documentation has changed
• graphql schema has changed

Checklist

• Described the user behavior in PR body
• Referenced/updated all related issues
• commits follow a repo#issue: Title title format and these 7 rules
• commits have a clean history, otherwise PR may be squash-merged
• Added and/or updated unit tests
• Added and/or updated e2e tests
• Added and/or updated data migrations
• Updated documentation
• Resolved all build errors and warnings
• Opened debt issues for anything not resolved here

[cemalettin-work]

I can save the customFields to the database, but I can't seem to query customFields for what is saved, could use some help 😄