GameDB: Force full true color for Bust a Move 2

Not strictly accurate, but looks better.

data/resources/gamedb.yaml

@@ -20722,6 +20722,8 @@ SLUS-01159:
   controllers:
     - AnalogController
     - DigitalController
+  traits:
+    - ForceFullTrueColor # Fixes title/background mismatch in menu.
   metadata:
     publisher: "Enix"
     developer: "Metro 3D"
@@ -20809,6 +20811,8 @@ SLPM-86219:
   controllers:
     - AnalogController
     - DigitalController
+  traits:
+    - ForceFullTrueColor # Fixes title/background mismatch in menu.
   metadata:
     publisher: "Enix"
     developer: "Metro 3D"
@@ -20825,6 +20829,8 @@ SLPM-86219:
     linkCable: false
 SLPM-80410:
   name: "Bust A Move 2 - Dance Tengoku Mix (Japan) (Demo)"
+  traits:
+    - ForceFullTrueColor # Fixes title/background mismatch in menu.
   metadata:
     genre: "** DEMO **"
 SCES-01313: