[Applets] Properly expose nextParameter

src/core/applets/applet_manager.cpp

@@ -4,7 +4,7 @@
 
 using namespace Applets;
 
-AppletManager::AppletManager(Memory& mem) : miiSelector(mem), swkbd(mem) {}
+AppletManager::AppletManager(Memory& mem) : miiSelector(mem, nextParameter), swkbd(mem, nextParameter) {}
 
 void AppletManager::reset() {
 	miiSelector.reset();

src/core/applets/software_keyboard.cpp

@@ -7,5 +7,14 @@ Result::HorizonResult SoftwareKeyboardApplet::start() { return Result::Success;
 
 Result::HorizonResult SoftwareKeyboardApplet::receiveParameter() {
 	Helpers::warn("Software keyboard: Unimplemented ReceiveParameter");
+
+	Applets::Parameter param = Applets::Parameter{
+		.senderID = AppletIDs::SoftwareKeyboard,
+		.destID = AppletIDs::Application,
+		.signal = APTSignal::Response,
+		.data = {},
+	};
+
+	nextParameter = param;
 	return Result::Success;
 }