feat: add "displayed measure" in status bar

Resolves: #22755

When a bar number is changed manually, display an additional entry in the status bar. This only applies to bars with a different internal bar number and displayed bar number.

When selecting a range of measures

When selecting a single element inside a measure

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[x] If changes are extensive, there is a sequence of easily reviewable commits
[x] The code in the PR follows the coding rules
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[ ] I created a unit test or vtest to verify the changes I made (if applicable)

musescore / MuseScore

feat: add "displayed measure" in status bar #23332