Modules/NamePlates: Fix class coloring

ElvUI/Libraries/LibActionButton-1.0/LibActionButton-1.0.lua

@@ -29,7 +29,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 ]]
 local MAJOR_VERSION = "LibActionButton-1.0-ElvUI"
-local MINOR_VERSION = 66
+local MINOR_VERSION = 67
 
 if not LibStub then error(MAJOR_VERSION .. " requires LibStub.") end
 local lib, oldversion = LibStub:NewLibrary(MAJOR_VERSION, MINOR_VERSION)

ElvUI/Modules/Nameplates/Nameplates.lua

@@ -234,8 +234,8 @@ for class, color in pairs(RAID_CLASS_COLORS) do
 end
 
 function NP:UnitClass(frame, unitType)
-	if frame._class then
-		return frame._class
+	if frame:GetParent()._class then
+		return frame:GetParent()._class
 	end
 	if unitType == "FRIENDLY_PLAYER" then
 		if frame.unit then
@@ -243,6 +243,11 @@ function NP:UnitClass(frame, unitType)
 			if class then
 				return class
 			end
+		elseif frame:GetParent()._unit then
+			local _, class = UnitClass(frame.unit)
+			if class then
+				return class
+			end
 		else
 			return NP:GetUnitClassByGUID(frame, frame.guid)
 		end