Assign verse numbers and other text to lyric rows in systems

Your idea

For scores with multiple verses of lyrics, it is needed to add a verse number for each line in each system in each page, as is illustrated in the sample score Greensleeves as an example at MuseScore Studio 4 Handbook -> Lyrics -> Overview, whose verse number must be added via typing now.

There should also be a way to add any other text before lyric lines, like when denoting a singer/group:

Problem to be solved

Add verse number to each lyric line in each system in each page automatically.

Prior art

See the following comment.

Additional context

@PtJade-Ceramic That's a quite different kind of request (a new engraving feature rather than a simple UI tweak) so should be discussed in a separate issue.

Originally posted by @cbjeukendrup in #27283

Checklist

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Start by reviewing the linked Handbook Lyrics overview and the prior-art comment. Done means lyric lines can receive automatic verse numbers on every system and page, with support for other text such as singer or group labels before lyric lines.