dev/core#1246 fix fatal error on search builder if a core contact type is disabled

[colemanw]

Overview

This is a more thorough treatment of @eileenmcnaughton's #15279 that makes the code more contact-type agnostic by removing some hard-coded assumptions about what contact types should & shouldn't exist.

https://lab.civicrm.org/dev/core/issues/1246

Before

Fatal error on search builder.

After

Works

[civibot]

(Standard links)

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• If you are reviewing this pull-request, you may wish to consult the test sites and the Review Standards (long template, short template).

[seamuslee001]

(CiviCRM Review Template WORD-1.2)

• General standards
  • (r-explain) Pass
  • (r-user) Pass reduces a fatal error
  • (r-doc) Pass
  • (r-run) Pass confirmed the fatal error and confirmed that this fixed it
• Developer standards
  • (r-tech) Pass
  • (r-code) Pass
  • (r-maint) Pass
  • (r-test) Pass

[seamuslee001]

Merge on pass