Adds a video trim dialog to ZoomIt (#45334)

## Summary of the Pull Request
Adds a video trim dialog to ZoomIt

## PR Checklist
Closes 45333

## Validation Steps Performed
Manual validation

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Co-authored-by: Mark Russinovich <markruss@ntdev.microsoft.com>
Co-authored-by: foxmsft <foxmsft@hotmail.com>

.github/actions/spell-check/allow/zoomit.txt

@@ -0,0 +1,63 @@
+acq
+APPLYTOSUBMENUS
+AUDCLNT
+bitmaps
+BUFFERFLAGS
+centiseconds
+Ctl
+CTLCOLOR
+CTLCOLORBTN
+CTLCOLORDLG
+CTLCOLOREDIT
+CTLCOLORLISTBOX
+CTrim
+DFCS
+dlg
+dlu
+DONTCARE
+DRAWITEM
+DRAWITEMSTRUCT
+DWLP
+EDITCONTROL
+ENABLEHOOK
+FDE
+GETCHANNELRECT
+GETCHECK
+GETTHUMBRECT
+GIFs
+HTBOTTOMRIGHT
+HTHEME
+KSDATAFORMAT
+LEFTNOWORDWRAP
+letterbox
+lld
+logfont
+lround
+MENUINFO
+mic
+MMRESULT
+OWNERDRAW
+PBGRA
+pfdc
+playhead
+pwfx
+quantums
+REFKNOWNFOLDERID
+reposted
+SCROLLSIZEGRIP
+SETDEFID
+SETRECT
+SHAREMODE
+SHAREVIOLATION
+STREAMFLAGS
+submix
+tci
+TEXTMETRIC
+tme
+TRACKMOUSEEVENT
+Unadvise
+WASAPI
+WAVEFORMATEX
+WAVEFORMATEXTENSIBLE
+wil
+WMU