fix(database-modal): form in database model effects results of the database list

[stephenLYZ]

SUMMARY

The form in the database modal affects the results of the database list and the form value will be reset.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

before

2022-06-24.4.37.27.mov

after

2022-06-24.4.36.25.mov

TESTING INSTRUCTIONS

1. Refresh into the database list page
2. Edit database
3. Switch to the ADVANCED tab
4. Open SQL lab collapsed item
5. See the result

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 #20487 (e0ff520) into master (44f0b51) will not change coverage.
The diff coverage is 100.00%.

❗ Current head e0ff520 differs from pull request most recent head 59bee70. Consider uploading reports for the commit 59bee70 to get more accurate results

@@           Coverage Diff           @@
##           master   #20487   +/-   ##
=======================================
  Coverage   66.75%   66.75%           
=======================================
  Files        1740     1740           
  Lines       65172    65172           
  Branches     6900     6900           
=======================================
  Hits        43505    43505           
  Misses      19918    19918           
  Partials     1749     1749           

Flag	Coverage Δ
javascript	51.80% <100.00%> (ø)

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

Impacted Files	Coverage Δ
...ase/DatabaseModal/DatabaseConnectionForm/index.tsx	100.00% <100.00%> (ø)

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