fix(SearchBar): typescript errors

[arpitBhalla]

Motivation

Fixes # (issue)

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

• Jest Unit Test
• Checked with example app

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation using yarn docs-build-api
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

Additional context

[codecov]

Codecov Report

Merging #3437 (d9c5c88) into next (f4db70d) will not change coverage.
The diff coverage is 42.85%.

❗ Current head d9c5c88 differs from pull request most recent head 58eda42. Consider uploading reports for the commit 58eda42 to get more accurate results

@@           Coverage Diff           @@
##             next    #3437   +/-   ##
=======================================
  Coverage   78.25%   78.25%           
=======================================
  Files          87       87           
  Lines        1775     1775           
  Branches      787      786    -1     
=======================================
  Hits         1389     1389           
  Misses        381      381           
  Partials        5        5           

Impacted Files	Coverage Δ
packages/base/src/SearchBar/SearchBar-android.tsx	62.29% <ø> (ø)
packages/base/src/SearchBar/SearchBar-default.tsx	74.46% <ø> (ø)
packages/base/src/SearchBar/SearchBar-ios.tsx	49.27% <ø> (ø)
packages/base/src/SearchBar/SearchBar.tsx	73.33% <42.85%> (ø)

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