Clean JS for Search

[williambelle]

• Fix eslint warnings and errors
• Fix deprecated jQuery API

[williambelle]

./node_modules/.bin/eslint assets/components/molecules/search

   5:36  error    Unexpected function expression                                                                 prefer-arrow-callback
   5:36  warning  Unexpected unnamed function                                                                    func-names
   5:45  error    'event' is defined but never used                                                              no-unused-vars
   5:51  error    Missing space before opening brace                                                             space-before-blocks
   7:5   error    Unexpected var, use let or const instead                                                       no-var
   8:5   error    Unexpected var, use let or const instead                                                       no-var
  13:9   error    There should be no space after this paren                                                      space-in-parens
  13:42  error    There should be no space before this paren                                                     space-in-parens
  19:35  error    Unexpected function expression                                                                 prefer-arrow-callback
  19:35  warning  Unexpected unnamed function                                                                    func-names
  19:44  error    'event' is defined but never used                                                              no-unused-vars
  19:50  error    Missing space before opening brace                                                             space-before-blocks
  21:5   error    Unexpected var, use let or const instead                                                       no-var
  22:5   error    Unexpected var, use let or const instead                                                       no-var
  22:9   error    'searchField' is assigned a value but never used. Allowed unused vars must match /[uU]nused/u  no-unused-vars

✖ 15 problems (13 errors, 2 warnings)
  10 errors and 0 warnings potentially fixable with the `--fix` option.

[github-actions]

Unit Test Results

267 tests   267 ✔️  0s ⏱️
    1 suites      0 💤
    1 files        0 ❌

Results for commit 5cec732.

[github-actions]

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