Update DSM FwdPrg.lua (#733)

Reversing 'Off' and 'On' text values in lines #555 and #556.  They are used in the SAFE and AS3X menu items in the DSM Forward Programming section, and they are functioning backwards. This will correct the issue. This is the fix for Issue #728

Author: yakulis

Lua_scripts/DSM FwdPrg.lua

@@ -552,8 +552,8 @@ local function DSM_Init()
   RxName[0x001E]="AR631"
 
   --Text to be displayed -> need to use a file instead?
-  Text[0x0001]="On"
-  Text[0x0002]="Off"
+  Text[0x0001]="Off"
+  Text[0x0002]="On"
   Text[0x0003]="Inh"
   Text[0x0004]="Act"
   Text[0x000C]="Inhibit?" --?