fix: null filtering on embed when column=relation #1845

Job	Run time
Build aarch64 (Cabal, GHC 9.2.4)	5m 43s
Build Linux (Cabal, GHC 9.0.2)	24m 8s
Build Linux (Cabal, GHC 9.2.4)	19m 38s
Build MacOS (Nix)	13m 7s
Build Linux (Stack)	3m 20s
Build MacOS (Stack)	4m 27s
Build Windows (Stack)	6m 15s
Build Linux static (Nix)	5m 17s
Get FreeBSD build from CirrusCI	5m 19s
Lint & check code style	2m 11s
Test memory (Nix)	5m 45s
Test (Nix)	7m 20s
Test PG 9.6 (Nix)	6m 48s
Test PG 10 (Nix)	7m 36s
Test PG 11 (Nix)	5m 50s
Test PG 12 (Nix)	6m 2s
Test PG 13 (Nix)	6m 32s
Test PG 14 (Nix)	6m 44s
Test PG 15 (Nix)	7m 0s
Prepare release	0s
Release on Docker Hub	0s
Release on GitHub	0s
Release Arm Builds on Docker Hub	0s
Remove copied files from server	7s
	2h 29m 9s

Provide feedback