« gno test -v » should return « consumed gas » instead of « execution time »

[moul]

Bonus: add realm storage diff size. #2468

[thinhnx-var]

Im currently doing this since this PR #2149 is discussed and likely should be moved to gno test. Will add the realm storage diff size, too.

[github-actions]

This issue is stale because it has been open 6 months with no activity. Remove stale label or comment or this will be closed in 3 months.

[thehowl]

Milestoning so that this is not caught by the stalebot.

#2571 was a good start, but I think we need something to track the test integrated in the new test package.