fix(dbs-dropdown): make to allow the search in supported db dropdown

[prosdev0107]

SUMMARY

Update Supported Databases Dropdown to Allow Typeahead

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

BEFORE:

AFTER:

TESTING INSTRUCTIONS

How to reproduce bug

1. Click to the Databases page
2. Open the + Databases button
3. Click to type in the dropdown search bar

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 #19125 (5997cf6) into master (7524e1e) will not change coverage.
The diff coverage is n/a.

❗ Current head 5997cf6 differs from pull request most recent head c35d1ca. Consider uploading reports for the commit c35d1ca to get more accurate results

@@           Coverage Diff           @@
##           master   #19125   +/-   ##
=======================================
  Coverage   66.52%   66.52%           
=======================================
  Files        1646     1646           
  Lines       63540    63540           
  Branches     6466     6466           
=======================================
  Hits        42268    42268           
  Misses      19596    19596           
  Partials     1676     1676           

Flag	Coverage Δ
javascript	51.27% <ø> (ø)

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

Impacted Files	Coverage Δ
...c/views/CRUD/data/database/DatabaseModal/index.tsx	32.90% <ø> (ø)

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[rusackas]

I was just wishing for this yesterday!!! What a simple yet impactful change. Thanks for the thorough PR description, too!