feat(radio): refactor of switch handling to better support customisable switches (#6095)

Co-authored-by: philmoz <phil.a.mitchell@gmail.com>
Co-authored-by: 3djc <3djc@gh.com>
Co-authored-by: elecpower <elecpower@users.noreply.github.com>

companion/src/multimodelprinter.cpp

@@ -975,7 +975,7 @@ QString MultiModelPrinter::printFunctionSwitches()
    columns.appendRowStart(tr("Name"), 20);
 
    for (int i = 0; i < numFS; i++) {
-     COMPARECELLWIDTH(model->functionSwitchNames[i], colwidth);
+     COMPARECELLWIDTH(model->customSwitches[i].name, colwidth);
    }
 
    columns.appendRowEnd();