fix(ingest): allow full URNs and global tags for tags_to_ignore_sampling

[kevinkarchacryl]

There are two issues with tags_to_ignore_sampling

The first is that if your tag is urn:li:tag:my_tag then you have to put my_tag in the recipe. I changed this so using the URN prefix will work as well. The documentation is also updated to make this clear.

The larger fix is that tags_to_ignore_sampling only used editableSchemaMetadata which does not account for tags that were ingested via a source. Tags for those columns are stored in the schemaMetadata.

[codecov]

Codecov Report

❌ Patch coverage is 3.57143% with 27 lines in your changes missing coverage. Please review.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...n/src/datahub/ingestion/source/ge_data_profiler.py	0.00%	15 Missing ⚠️
.../source/sqlalchemy_profiler/sqlalchemy_profiler.py	7.69%	12 Missing ⚠️

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[datahub-connector-tests]

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[treff7es]

Nice fix — reading both schemaMetadata (source-ingested tags) and editableSchemaMetadata closes a real gap, and the set-based collection also removes the old double-count when a column carried two matching tags. A few suggestions inline; none of them block the correctness of the fix.

[kevinkarchacryl]

@treff7es I forgot that I needed to change the SQL alchemy profiler as well. After the latest changes, this worked in the actual instance with tags ingested from Snowflake.