Savestate: Make selector dismissible by opening pause menu

pcsx2/ImGui/FullscreenUI.cpp

@@ -15,6 +15,7 @@
 #include "ImGui/FullscreenUI.h"
 #include "ImGui/ImGuiFullscreen.h"
 #include "ImGui/ImGuiManager.h"
+#include "ImGui/ImGuiOverlays.h"
 #include "Input/InputManager.h"
 #include "MTGS.h"
 #include "Patch.h"
@@ -716,6 +717,12 @@ void FullscreenUI::OpenPauseMenu()
 	if (!VMManager::HasValidVM())
 		return;
 
+	if (SaveStateSelectorUI::IsOpen())
+	{
+		SaveStateSelectorUI::Close();
+		return;
+	}
+
 	MTGS::RunOnGSThread([]() {
 		if (!ImGuiManager::InitializeFullscreenUI() || s_current_main_window != MainWindowType::None)
 			return;

pcsx2/ImGui/ImGuiOverlays.cpp

@@ -752,6 +752,7 @@ namespace SaveStateSelectorUI
 	static void RefreshHotkeyLegend();
 	static void Draw();
 	static void ShowSlotOSDMessage();
+	bool IsOpen();
 
 	static constexpr const char* DATE_TIME_FORMAT = TRANSLATE_NOOP("ImGuiOverlays", "Saved at {0:%H:%M} on {0:%a} {0:%Y/%m/%d}.");
 
@@ -800,6 +801,10 @@ void SaveStateSelectorUI::Open(float open_time /* = DEFAULT_OPEN_TIME */)
 	RefreshHotkeyLegend();
 }
 
+bool SaveStateSelectorUI::IsOpen(){
+	return s_open;
+}
+
 void SaveStateSelectorUI::Close()
 {
 	s_open = false;

pcsx2/ImGui/ImGuiOverlays.h

@@ -12,13 +12,14 @@ namespace ImGuiManager
 
 namespace SaveStateSelectorUI
 {
-	static constexpr float DEFAULT_OPEN_TIME = 7.5f;
+	static constexpr float DEFAULT_OPEN_TIME = 5.0f;
 
 	void Open(float open_time = DEFAULT_OPEN_TIME);
 	void RefreshList(const std::string& serial, u32 crc);
 	void DestroyTextures();
 	void Clear();
 	void Close();
+	bool IsOpen();
 
 	void SelectNextSlot(bool open_selector);
 	void SelectPreviousSlot(bool open_selector);