feat(spark): map from EqualNullSafe fn to is_not_distinct_from #819

Job	Run time
Lint commits for semantic-release	15s
cyclonedx-sbom	1m 34s
Dry-run release	16s
Check editorconfig	5s
Build Examples	1m 47s
Build and Test Java	3m 48s
Security validation	6s
osv-scanner (core)	12s
osv-scanner (isthmus)	8s
osv-scanner (isthmus-cli)	8s
Build Isthmus Native Image (ubuntu-latest)	4m 53s
Build Isthmus Native Image (macOS-latest)	38m 10s
	51m 22s

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