Add Message edit support

[DRSchlaubi]

Google seemingly works on adding message edit support. It's yet to be determined whether the web version will support it, however it should be on our radar

https://thespandroid.blogspot.com/2023/12/Google-Message-Rcs-Message-Editing.html?m=1

[cmbarba]

Since this issue was opened support for editing RCS messages has been added. Are there plans for the plugin to support editing?