feat: only backup radar antenna data if the power is already on

cl_sync.lua

@@ -184,12 +184,16 @@ function RADAR:BackupData()
 		self:SetBackupOMData( data.om )
 	end
 
+	-- Only backup the radar data if the player has the power on. There's no point backing up the data as it'll just
+	-- get reset when they turn the power on anyway
+	if ( data.power ) then
 		-- Backup front and rear antenna data
 		for ant in UTIL:Values( { "front", "rear" } ) do
 			if ( self:GetBackupAntennaData( ant ) == nil ) then
 				self:SetBackupAntennaData( ant, data[ant] )
 			end
 		end
+	end
 end
 
 -- Backs up the local radar data and then replaces it with the data provided by the driver