Update ImageCache in Theme.zip in Audacity Wiki

[Endy3032]

The current ImageCache.png image is currently outdated in the Audacity Wiki. It will be nice if it is updated so it matches the new version

[NoobMaster1999]

It's only updated by developers not open source contributors

[LWinterberg]

Relevant wiki page would be https://wiki.audacityteam.org/wiki/Theming_HowTo, file in question is https://wiki.audacityteam.org/wiki/File:Theme.zip
I'll need to update the entire thing to the current state of affairs eventually.

[LWinterberg]

Updated https://wiki.audacityteam.org/wiki/File:Theme.zip with help from @Paul-Licameli. Thanks Paul!!

[JohnColket]

@LWinterberg @Paul-Licameli Should there be 4 .png files? One each for "Classic", "Light", "Dark", "High Contrast" ?

[crsib]

What we really should do now is to provide a way building that cache from the set of images. GitHub workflow, maybe

[Black-Platypus]

Updated https://wiki.audacityteam.org/wiki/File:Theme.zip with help from @Paul-Licameli. Thanks Paul!!

This uses a mismatching pair of bitmap/HTML title map.
.htm file uses the (I'm guessing old?) layout with only one row of red background tools above the appIcon, but the .png uses the one with two black blocks added and everything shifted over.