Do "symflower-fix" task for "code-repair"

[zimmski]

Please help us keep the number of duplicated issues small. We kindly ask you to add your input to the appropriate issue or PR in case your feature idea is already being tracked.

• I have searched the existing feature requests, latest roadmap and open pull requests.

Problem

Even though we said this is pointless, it is actually showing what "symflower fix" is good for: fixing

Solution (optional)

Tasks:

• Add symflower-fix subtask for code-repair like we do for write-tests