"Find" options symbols

Hello,
Did you consider simplifying the UI for the "Find" to use text symbols similar to VS Code (right-aligned, on the same line with the input)?

An example could be
```
[aA][a̲b̲][.*]
[aA] a̲b̲ .*
aA [a̲b̲] .*
aA a̲b̲ [.*]
aA a̲b̲ .*
```

But probably better:
```
[☐aA] [☐a̲b̲] [☐.*]
```
(the underlying uses U+0332, a more common symbol could work as well)

Also instead of "Use Regex" probably just "Regex" is enough
Also shortcuts would be nice to have:

- Match Case: Alt+C
- Match Word: Alt+W
- Use Regex: Alt+R
- Close: Esc (this works)

Start by locating the Find UI and its existing Match Case, Match Word, Use Regex, and Close controls. Compare the proposed right-aligned text symbols and shorter Regex label, then review how keyboard shortcuts are handled. Done means an agreed design is implemented for the controls and the requested Alt+C, Alt+W, Alt+R, and Esc shortcuts work.

Written by the indexing model from the issue text.