refactor: 💡 change requestDataChanged argument type

[ritox842]

PR Checklist

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• The commit message follows our guidelines: CONTRIBUTING.md#commit
• Tests for the changes have been added (for bug fixes / features)
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PR Type

What kind of change does this PR introduce?

fix type of requestDataChanged first argument to support 'undefined'.
also, changed the names of the arguments to be more accurate.

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[x] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] Other... Please describe:

What is the current behavior?

requestDataChanged accepts only HttpRequest

Issue Number: N/A

What is the new behavior?

requestDataChanged accepts HttpRequest | undefined

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information