fix: Numerous updates and fixes for HoTT telemetry (#1617)

* transferred respective OpenTX updates to HoTT telemetry

* integrated LUA function flushAudio from OpenTx

* sensor names moved to “untranslated.h”

reverted *.h.txt to original mainline content
removed leading "Z" in sensor name defines

radio/src/lua/api_general.cpp

@@ -1636,6 +1636,19 @@ static int luaDefaultChannel(lua_State * L)
   return 1;
 }
 
+/*luadoc
+@function flushAudio()
+
+flushes audio queue
+
+@status experimental
+*/
+static int luaFlushAudio(lua_State * L)
+{
+  audioQueue.flush();
+  return 0;
+}
+
 /*luadoc
 @function getRSSI()
 
@@ -2371,6 +2384,7 @@ const luaL_Reg opentxLib[] = {
   { "playDuration", luaPlayDuration },
   { "playTone", luaPlayTone },
   { "playHaptic", luaPlayHaptic },
+  { "flushAudio", luaFlushAudio },
 #if defined(ENABLE_LUA_POPUP_INPUT)
   { "popupInput", luaPopupInput },
 #endif