Fix emulated Home/Guide presses being missed

Fixes #1048

src/input.cpp

@@ -19,6 +19,9 @@ extern "C" {
 #include "thread_pool.h"
 #include "utility.h"
 
+#include <boost/chrono.hpp>
+#include <boost/thread/thread.hpp>
+
 using namespace std::literals;
 namespace input {
 
@@ -734,6 +737,9 @@ namespace input {
             state.buttonFlags |= platf::HOME;
             platf::gamepad(platf_input, gamepad.id, state);
 
+            // Sleep for a short time to allow the input to be detected
+            boost::this_thread::sleep_for(boost::chrono::milliseconds(100));
+
             // Release Home button
             state.buttonFlags &= ~platf::HOME;
             platf::gamepad(platf_input, gamepad.id, state);