fix: properly set owners to Sqlatable.owners_data inside payload

[hughhhh]

SUMMARY

Updating the data payload to have owners = SqlaTable.owners_data, by accident removed this code and properly refactor and add it back to the core model

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

TESTING INSTRUCTIONS

ADDITIONAL INFORMATION

• Has associated issue:
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[eric-briscoe]

Tested locally and resolves error saving changes to datasets

[codecov]

Codecov Report

Merging #20794 (34cccf9) into master (5a04a28) will decrease coverage by 0.05%.
The diff coverage is 100.00%.

❗ Current head 34cccf9 differs from pull request most recent head e3fa8d7. Consider uploading reports for the commit e3fa8d7 to get more accurate results

@@            Coverage Diff             @@
##           master   #20794      +/-   ##
==========================================
- Coverage   66.28%   66.22%   -0.06%     
==========================================
  Files        1757     1757              
  Lines       66795    66796       +1     
  Branches     7052     7052              
==========================================
- Hits        44274    44236      -38     
- Misses      20722    20761      +39     
  Partials     1799     1799              

Flag	Coverage Δ
hive	53.24% <100.00%> (+<0.01%)	⬆️
mysql	80.98% <100.00%> (+<0.01%)	⬆️
postgres	81.05% <100.00%> (+<0.01%)	⬆️
presto	?
python	81.37% <100.00%> (-0.12%)	⬇️
sqlite	79.54% <100.00%> (+<0.01%)	⬆️
unit	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
superset/connectors/sqla/models.py	89.37% <100.00%> (-0.96%)	⬇️
superset/db_engine_specs/presto.py	84.26% <0.00%> (-4.77%)	⬇️
superset/initialization/__init__.py	89.93% <0.00%> (-1.74%)	⬇️
superset/models/core.py	88.43% <0.00%> (-0.25%)	⬇️
superset/connectors/base/models.py	86.74% <0.00%> (+0.30%)	⬆️

[sadpandajoe]

🏷️ preset:2022.29