Make the cormatter cli use the config defaults.

[gilbens-starkware]

Stack:

• Make the formatter sort imports by default. #6855
• Make the cormatter cli use the config defaults. #6876 ⬅

⚠️ Part of a stack created by spr. Do not merge manually using the UI - doing so may have unexpected results.

[reviewable-StarkWare]

This change is 

[orizi]

Reviewed 3 of 4 files at r1, 2 of 2 files at r2, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @dean-starkware)

[dean-starkware]

Reviewed 3 of 4 files at r1, 2 of 2 files at r2, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @gilbens-starkware)