fix: Fixes issue where results panel height was incorrect [sc-49045]

[eric-briscoe]

This commit fixes a dynamic height assignment issue where the SQL Editor results panel would be clipped offscreen and user could not see bottom of results, the height got assigned to zero after toggling online, then offline, and height would be calculated wrong if the result set rows returned message above the results table was long enough for a line wrap.

SUMMARY

This PR fixes a dynamic height assignment issue where the SQL Editor results panel would be clipped offscreen and user could not see bottom of results, the height got assigned to zero after toggling online, then offline, and height would be calculated wrong if the result set rows returned message above the results table was long enough for a line wrap.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

Before Fix:
https://drive.google.com/file/d/1A0mMm-1HoO2ol-65Tv3ENpv1e1tMRg_g/view?usp=sharing

After Fix:
https://drive.google.com/file/d/1Y7GFbvo_hfEsl6hhD1WI6if6m0BA128C/view

TESTING INSTRUCTIONS

1.Open SQL Editor
2.Create new or use existing Query
3. Click "RUN"
4. You should see the results under the SQL Editor
5. In Chrome Developer tools -> Network -> Change network speed from "No throttling" to "Offline"
6. Click "RUN"
7. Wait for UI to show the red "Offline" pill
8. In Chrome Developer tools -> Network -> Change network speed from "Offline" to "No throttling"
9. Click "RUN"

Expected results (with fix)
After re-enabling the network connection and clicking run you should see query results again

Actual results (before fix)
The results panel is hidden with a CSS height of zero and will stay hidden until the browser is refreshed, or the user toggles between open Sql Editor tabs

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

Merging #20204 (82f2f1e) into master (7a2eb8b) will increase coverage by 0.00%.
The diff coverage is 71.42%.

@@           Coverage Diff           @@
##           master   #20204   +/-   ##
=======================================
  Coverage   66.46%   66.47%           
=======================================
  Files        1727     1727           
  Lines       64721    64729    +8     
  Branches     6823     6824    +1     
=======================================
+ Hits        43019    43026    +7     
  Misses      19970    19970           
- Partials     1732     1733    +1     

Flag	Coverage Δ
javascript	51.34% <71.42%> (+<0.01%)	⬆️

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

Impacted Files	Coverage Δ
...frontend/src/SqlLab/components/ResultSet/index.tsx	51.65% <66.66%> (+1.16%)	⬆️
...frontend/src/SqlLab/components/SouthPane/index.tsx	66.66% <100.00%> (+1.04%)	⬆️

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