Fix encoding problems with ZipFile.

Without setting the DefaultCodePage it may cause problems on systems without 866 code page installed.
Update chrome.svg to match the generated png.
Simplify MenuPaletteEffect activation.
Remove the now-redundant CncWidgetUtils.cs
Add fade in/out effects to RA and TS.

The palette effect interacts badly with the multiplicative blending in D2K.
Merge pull request #5362 from pchote/td-ui-polish

Update TD chrome.svg (again)
Merge pull request #5354 from pchote/fading

Add TD fade to/from black behavior to other mods.
Merge pull request #5334 from ForNeVeR/encoding-patch

Closes #5261