chrome.yaml fixes
fixed the Battlefield News button
Trying to fix Settings buttons
Manual merge of dialog.png

The new file inclused both the black box and the new vivid red colors.
Fixes outdated dialog.png in Tiberian Sun mod.
Don’t display LaserZap if source and dest are hidden.

Closes #6146.
Fixes button style.
Adds newsbutton style.
Adds Diplomacy keywords for ValidTarget checks.

Changes:

Allows diplomacy stance checks to be done on warheads and weapons, using keywords in ValidTargets and InvalidTargets.
Ioncannon changed to limited Spread. (1000, 250, 100 damage in 1c1, 2c1, 2c512)
AffectsParent defaulted to false.
unit -> units to avoid crashes
Disabled wrong crateactions
Fixed crates spawning on inaccessable terrain
'Cleaned away' some unused traits
Fixed sh31 tile
Fix Parachutable GroundImpactSound.

squishy2.aud only exists in ts.
Fix TS CrushSounds.

squish2.aud doesn't exist in TS, and Cyborgs aren't crushable anyway.
Disallow same/similar colors (fixes #2820)
Merge pull request #6239 from TiagoMLSousa/ISSUE2820_DisableSimilarColors

Issue #2820 - Disable similar colors