Fix test-SPM script

Update the validation expected results for recordSeparator.
In iOS 17 and later, result displays " " (empty string).
In iOS 16 and before, result displays "\u{0000}".

Add tvOS versions check

Update the recordSeparator check with a variable.

Update the validation expected results for recordSeparator in functional tests

* Add new process on complete to NetworkResponseHandler

* Refactor existing test based on changed return type

* Add functional test for new complete event

* Add network response handler functional tests

* Update constant names to CONTENT_COMPLETE

Add more functional test cases for onComplete behavior

* Add new request send completion flag section

Correct the documentation for response content as a fallback to error response content
Alphabetize items

* Add test button for sending event with complete flag

Reorganize view to move scrollable data view to the top and not truncate text
Add visual indicators to scrollable data view

* Add explicit types

* Apply swift lint

* Fix line length violation

* Update method docs to reflect new return type

* Refactor test case to use assertion helper

* Align event reference doc with android version

* Updating version to 4.2.0.

* Update the Podfile.lock with version updates

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Co-authored-by: timkimadobe <timkimadobe@users.noreply.github.com>
Co-authored-by: timkimadobe <95260439+timkimadobe@users.noreply.github.com>

…oid docs

Update event reference response content description

Merge to Staging for v4.2.0 release

* Update to use EventSource constant from Core

Update Podfile.lock with latest Core version

* Update Core and Edge versions to latest

* Update Podfile.lock with latest versions

* Revert doc version changes

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Co-authored-by: Emilia Dobrin <33132425+emdobrin@users.noreply.github.com>

Merge to Staging for 4.2.0 release, updates Core dependency to 4.1.0