v0.7.6

This is mainly a bug fix release to Edit features and general issues found
with v0.7.5.

Fixed hotkey check when entering a hotkey of the first 5 entries (a legacy
from mrViewer).
Fixed Load/Save hotkey file requester on Windows that would redraw
incorrectly.
Fixed message about corruption in hotkeys, when the reason was a new
forced hotkey.
Fixed Windows installer not installing the icon on Windows 11's Settings->
Apps->Installed Apps.
Fixed a memory corruption when pasting or inserting one frame of audio and
playing back in reverse.
Fixed log window showing up when there was a corruption on hotkeys even when
the Preferences->Errors->Do Nothing was set.
Fixed copying frames from one video to another even when they have different
frame rates.
Added an option in Preferences->Timeline to remove the EDLs from the
temporary directory once the application exits.
Improved focus handling of current frame, start frame and end frame widgets,
which would loose it once the cursor was moved to the timeline.
Fixed Edit/Frame/Insert when the movie had timecode in it and did not start
at 0.
Improved quality of Windows' icon.

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