Fix building and running on Mac OS X 10.15 using PostgreSQL 15#16

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Letterus wants to merge 2 commits intotdmartin102:masterfrom Letterus:master

+34-8

Commits on Sep 4, 2023

These changes fix building and running the the „New Model Wizard“ for PostgreSQL 15 on Mac OS X 10.15 for me.
Letterus
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Remove copy I did not want to include…
Letterus
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