Allow list selection of system breaks to be replaced by system locks

Your idea

Allow the user to make a list selection of system breaks and replace them all in one go by clicking on the system lock in the Layout pallet.

Problem to be solved

If you select a single system break and click on the system lock in the palette, the break is replaced by the lock - which is nice.

However, if you CTRL+click on a number of system breaks or select them using select similar and click on the system lock in the palette, all the systems between the first and last system breaks are combined into a single locked system - which is not nice.

https://github.com/user-attachments/assets/0f1681fe-63b4-4b81-97e7-e707243f301f

It would be more useful if each individual selected system break was replaced by a system lock.

The use case I have is revisiting scores written pre-system lock and probably pre- many engraving improvements. In order to take advantage of the engraving improvements and freshen their appearance. I would like to start by replacing all the system breaks with system locks. I currently have to do this by clicking on each in turn and then clicking on the lock in the palette.

Prior art

No response

Additional context

No response

Checklist

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