Easier input of melismas for notes, which already have a slur above them

Your idea

My proposal:

When entering lyrics, a single "_" should be enough in order
to complete a melisma for a group of notes,
which already have a slur above them.

Explanation:

In order to achieve this

the user currently has to type:

Ah, _ _ _ _ _ _ _ _ _ _ _ _ ooh. _ _ _ _ _ _ _ _ _ _ _ _

even though the length of the melisma is already defined by the slur.

I think, in this case the user should only be required to type

Ah,_ ooh._

In fact: Why not simply hit "space" to complete the underline and jump to the next note after the slur.

This would also make it extremely easy to prepare a text for copy and past,
since the user does no longer need to count the notes under a slur.

Instead of "Lord,. .I sa----cri-fice." you could just type
"Lord, I sa-cri-fice." in order to get:

All the user would have to care about is where to split words into syllables using "-"
and all the rest is decided by slurs...

PS: Experts of old music could also benefit from such behavior by using hidden slurs.
And: Slurs could get a setting in the inspector to toggle their smart behavior on or off,
in case a user wants to use a slur for phrasing only, or if several slurs overlap.

Problem to be solved

• speed up input of melismas for slurred notes
• simplify the preparation of text for copy and paste

Prior art

No response

Additional context

In my workflow I enter slurs right after note input.
Later, when I come back to enter the lyrics, the slurs will serve as a reminder
of where and how long the melismas are.

For notes under a slur I think:

• inputting melismas note by note should still be possible, but rather an "expert-mode"
• and "auto-complete", as described above, the normal case.

No files, tests, or entry points are named in the issue. Start by tracing lyric input and slur handling in MuseScore, then confirm the proposed single-underscore or space behavior, including overlapping slurs and the inspector toggle, with note-by-note input still available.