* Use advanceWidth to get the with of the original text

Co-authored-by: Nicolas Werner <nicolas.werner@hotmail.de>

Standard buttons are ordered in the right way and sometimes have an
icon.

Bug: https://matrix.to/#/%23nheko%3Anheko.im/%2476PZ2m6YftX8mqGIe9ettKbh_-pEYeVRQSJBfwFzWi0?via=pixie.town&via=matrix.org&via=matrix.flexinos.tech&via=half-shot.uk

Add a delay to all destructions and move the call dialog stuff up a
level, so that we don't destroy the component when destroying the parent
dialog.

fixes #984

elidedText should have … in it if the text doesn't fit, but it seems
that it is omitted if the emoji font doesn't have it. 
See <https://github.com/Nheko-Reborn/nheko/pull/982>.

If the reaction text is elided, it will be shown in the tooltip.

fixes #878

# Previous commits:
#   5949173b Add function to force focus on InputDialog input field
#   9482ac4e Allow explicit selection of SSO method
#   ab05e2d8 Mobile message input (#962)
#   12a6da01 If you replace the txn id, replace a string the length of the txn id...

# Previous commits:
#   9482ac4e Allow explicit selection of SSO method
#   ab05e2d8 Mobile message input (#962)
#   12a6da01 If you replace the txn id, replace a string the length of the txn id...
#   df6a5aab Fix clicking on images in replies

fixes #975

* swap send and sticker icons based on text input

* collapse MessageInput options when window is narrow

* buttons disappear once you type/send partial text from input method

fixes #881

fixes #937