Update CacioWindowPeer to use SystemColor

[SirDank]

Updates CacioWindowPeer inside the caciocavallo17 submodule to properly use SystemColors (SystemColor.windowText and SystemColor.window) instead of resolving keys via UIManager. This aligns it properly with typical AWT/Swing system color constants and resolves the inline TODO.

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PR created automatically by Jules for task 9201618943623066553 started by @SirDank

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[beebono]

Thereare no changes listed. Was this meant to be an update to the caciocavallo17 submodule? If so, I can fork a copy and add it to our Org.

[beebono]

@jules

There are no changes listed in this PR. Was this meant to be an update to the caciocavallo17 submodule? If so, I can fork a copy and add it to our Org. I will at least move what we currently have a fork of into this Org too (gl4es and frenchpress)

[beebono]

@jules Closing as the submodule has been updated to our Org now.