fix(sql): Add fallback to `source_defined_primary_key` in CatalogProvider #3213

Job	Run time
Get Changes	4s
Check: source-hardcoded-records	2m 26s
Check: destination-motherduck	2m 36s
Check: source-shopify	1h 18m 38s
Skipped Check: source-google-drive	6s
Check: source-intercom	2m 45s
Check: source-pokeapi	1m 52s
	1h 28m 27s

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