Build: Add Mac dependencies and fix packaging

src/frontend-common/fullscreen_ui.cpp

@@ -34,6 +34,7 @@
 #include "util/ini_settings_interface.h"
 #include <atomic>
 #include <bitset>
+#include <unordered_map>
 #include <thread>
 Log_SetChannel(FullscreenUI);
 

src/frontend-common/game_list.cpp

@@ -18,6 +18,7 @@
 #include <array>
 #include <cctype>
 #include <ctime>
+#include <unordered_map>
 #include <string_view>
 #include <tinyxml2.h>
 #include <utility>