Allow editing font features in the Settings UI (#16678)

## Summary of the Pull Request
**Targets #16104** 

Same as #16104, but for font features

## References and Relevant Issues
#10000 

## Validation Steps Performed
Font features are detected correctly and can be set in the settings UI

![image](https://github.com/microsoft/terminal/assets/26824113/054c30fa-c584-4b71-872d-d956526c373b)

![image](https://github.com/microsoft/terminal/assets/26824113/484a20eb-abe9-478c-99cf-f63939ab4c5b)

## PR Checklist
- [ ] Closes #xxx
- [ ] Tests added/passed
- [ ] Documentation updated
- If checked, please file a pull request on [our docs
repo](https://github.com/MicrosoftDocs/terminal) and link it here: #xxx
- [ ] Schema updated (if necessary)

.github/actions/spelling/allow/apis.txt

@@ -1,3 +1,5 @@
+aalt
+abvm
 ACCEPTFILES
 ACCESSDENIED
 acl
@@ -36,6 +38,7 @@ delayimp
 DERR
 dlldata
 DNE
+dnom
 DONTADDTORECENT
 DWMSBT
 DWMWA
@@ -49,6 +52,7 @@ EXPCMDFLAGS
 EXPCMDSTATE
 filetime
 FILTERSPEC
+fina
 FORCEFILESYSTEM
 FORCEMINIMIZE
 frac
@@ -120,6 +124,7 @@ LSHIFT
 LTGRAY
 MAINWINDOW
 MAXIMIZEBOX
+medi
 memchr
 memicmp
 MENUCOMMAND
@@ -150,6 +155,7 @@ NOTIFYBYPOS
 NOTIFYICON
 NOTIFYICONDATA
 ntprivapi
+numr
 oaidl
 ocidl
 ODR
@@ -175,9 +181,11 @@ REGCLS
 RETURNCMD
 rfind
 RLO
+rnrn
 ROOTOWNER
 roundf
 RSHIFT
+rvrn
 SACL
 schandle
 SEH