Util: Add missing standard library includes

src/util/imgui_fullscreen.cpp

@@ -32,6 +32,7 @@
 #include <deque>
 #include <mutex>
 #include <thread>
+#include <utility>
 #include <variant>
 
 Log_SetChannel(ImGuiFullscreen);

src/util/imgui_manager.h

@@ -5,6 +5,7 @@
 
 #include "common/types.h"
 #include <string>
+#include <vector>
 
 class Error;