This includes some (not all) fixes for:
PVP-133-2
PVP-130-2

Removing space at end of line.
Minor private comment fixes.

Updating manifest to do a test run with the modified tools repository/

Removing all of the tools related tests from NGO package.

Removing the scene event tests.

Missed one internal visibility even though it doesn't impact anything (yet).

Re-base merge fix.

Adding the test project's tests assembly to internals.

checking if the bokken image ubuntu-22.04:v4.72.0 recently updated is the cause of our failurs.

Migrating TestHelpers into the NGO SDK tests runtime folder.
Adjusting test project for this update.

Removing the tools tests.

Fixing the remaining PVP-151-1 errors.

Fixing some stragglers.

>.<
Last 3 stragglers.

Fixing some Xml format issues.

Removed the single white space at the end of a comment.

Fixing one of the PVP-132-2 issues.

Fixing meta file with merge information in it.

Moving code gen into Runtime and removing the editor portion of the assembly name seems to do the trick.
(as long as x-ray thinks this is valid)

This reverts commit 08db094.

After looking around internally it appears that there is no way to get around this one particular issue.
Adding an exception for the Unity.Netcode.Editor.CodeGen since access to Unity.CompilationPipeline requires the assembly to end with ".CodeGen".