usability fixes, fix t114 build src filter

variants/t114/platformio.ini

@@ -79,8 +79,7 @@ build_flags =
 build_src_filter = ${Heltec_t114.build_src_filter}
   +<helpers/nrf52/T114Board.cpp>
   +<helpers/nrf52/SerialBLEInterface.cpp>
-  +<../examples/companion_radio/main.cpp>
-  +<../examples/companion_radio/UITask.cpp>
+  +<../examples/companion_radio>
   +<helpers/ui/ST7789Display.cpp>
   +<helpers/ui/OLEDDisplay.cpp>
   +<helpers/ui/OLEDDisplayFonts.cpp>