fix: Database modal parameter inputs persisting after modal closed and reopened

[jfrag1]

SUMMARY

This PR makes the metadata parameter and engine parameter inputs controlled as the others on this modal are. Without this fix, the ace editor initial default value would not be cleared when switching between databases.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

In the following examples, Connection A actually does have engine parameters, but connection B does not.
Before:

After:

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

[codecov]

Codecov Report

Merging #23686 (7f50d95) into master (240b292) will not change coverage.
The diff coverage is n/a.

❗ Current head 7f50d95 differs from pull request most recent head 860cdb1. Consider uploading reports for the commit 860cdb1 to get more accurate results

@@           Coverage Diff           @@
##           master   #23686   +/-   ##
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  Coverage   68.09%   68.09%           
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  Files        1922     1922           
  Lines       74041    74041           
  Branches     8101     8101           
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  Hits        50419    50419           
  Misses      21551    21551           
  Partials     2071     2071           

Flag	Coverage Δ
javascript	54.13% <ø> (ø)

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Impacted Files	Coverage Δ
.../features/databases/DatabaseModal/ExtraOptions.tsx	70.37% <ø> (ø)

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