fix(text-restrictions): trim text in JSXText only

[yunsii]

Considering backward compatibility, I added a trimmed parameter to the getText function, for example:

eslint-plugin/src/rules/no-single-variables-to-translate.ts

Lines 66 to 71 in bea0e13

	if (!getText(node)) {
	context.report({
	node,
	messageId: 'asFunction',
	})
	}

Closes #101

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.77%. Comparing base (c33e2d5) to head (7604441).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #102      +/-   ##
==========================================
+ Coverage   97.75%   97.77%   +0.01%     
==========================================
  Files          10       10              
  Lines         490      494       +4     
  Branches      147      150       +3     
==========================================
+ Hits          479      483       +4     
  Misses         11       11              

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