Autopopulate the rename text box

[tsimonq2]

QTerminal doesn't automatically autopopulate the text box with the existing name:

This change fixes that, so it's easier to fix typos:

[yan12125]

Oops, there was a related PR and I forgot to review it - #678

[tsimonq2]

It's all good, did you want me to try to merge in those changes or do you still want to handle these separately?

Happy to help

Thanks

[stefonarch]

@tsimonq2 Whlle you're here:
lxqt/lxqt#2070 (comment)
lxqt/lxqt#1949 (comment)

[yan12125]

Let's continue on the earlier PR!

And pleasr also have a look at the Twitter issue mentioned by @stefonarch.

[stefonarch]

And please also have a look at the Twitter issue mentioned by @stefonarch.

Solved: https://twitter.com/LXQtOfficial/status/1532102153606770688