fix(catalog): Table Schema View with no catalog

[Antonio-RiveroMartnez]

SUMMARY

Some tables might not have catalogs when hitting the tableschemaview endpoint, so the View must handle that instead of assuming the dict always has the catalog key.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

Before:

Screen.Recording.2024-09-03.at.8.22.08.PM.mov

After:

Screen.Recording.2024-09-03.at.8.23.23.PM.mov

TESTING INSTRUCTIONS

1. connect a google sheet to be used as a database
2. go to sql lab
3. select your database
4. select your schema
5. select your table
6. Your table must load the preview

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

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.64%. Comparing base (76d897e) to head (8cafbbe).
Report is 662 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff             @@
##           master   #30139       +/-   ##
===========================================
+ Coverage   60.48%   83.64%   +23.15%     
===========================================
  Files        1931      529     -1402     
  Lines       76236    38268    -37968     
  Branches     8568        0     -8568     
===========================================
- Hits        46114    32009    -14105     
+ Misses      28017     6259    -21758     
+ Partials     2105        0     -2105     

Flag	Coverage Δ
hive	48.91% <ø> (-0.26%)	⬇️
javascript	?
mysql	76.73% <ø> (?)
postgres	76.80% <ø> (?)
presto	53.49% <ø> (-0.31%)	⬇️
python	83.64% <ø> (+20.15%)	⬆️
sqlite	76.27% <ø> (?)
unit	60.25% <ø> (+2.63%)	⬆️

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