Profiler: Add prevalidator profiling

What

Original MR - !14486 (closed)

Parent MR - !14760 (merged)

The implementation uses the profiling for the prevalidator part of the codebase.

Why

How

Manually testing the MR

Testing can be done following the guide in !14486 (closed) and observing that there are profiling results happening.

Checklist

• Document the interface of any function added or modified (see the coding guidelines)
• Document any change to the user interface, including configuration parameters (see node configuration)
• Provide automatic testing (see the testing guide).
• For new features and bug fixes, add an item in the appropriate changelog (docs/protocols/alpha.rst for the protocol and the environment, CHANGES.rst at the root of the repository for everything else).
• Select suitable reviewers using the Reviewers field below.
• Select as Assignee the next person who should take action on that MR