fix: TPro FS showing in global funcs and MPM protocol list updates (#1705)

* Init contrast earlier for 128 B&W screens
https://github.com/opentx/opentx/pull/8882

* fix: TPro - No FS in global functions
https://github.com/opentx/opentx/pull/8845

* Missing IS_SWITCH_FS defintions

* Update MPM fallback SUBTYPE and OPT strings

* Custom MPM proto should not be processed

radio/src/io/multi_protolist.cpp

@@ -307,6 +307,8 @@ bool MultiRfProtocols::scanReply(const uint8_t* packet, uint8_t len)
       for (; pdef->protocol != 0xfe; pdef++) {
         RfProto rfProto(pdef->protocol);
 
+        if (pdef->protocol == MM_RF_CUSTOM_SELECTED) break; // skip custom proto
+
         char tmp[8];
         rfProto.label =
             getStringAtIndex(tmp, STR_MULTI_PROTOCOLS, pdef->protocol);