[UI] Added modify profile UI

- Changed default icons size from 75x75 to 64x64 to match console icons size
- Added png_utils
- Removed all dialogs from xam_ui.cc into separate entities under xam/ui
- Added option to return INT32 and WSTRING type settings to host
- Added multiple enums related to user settings
- Added code to handle changing user pfp
- Fixed bug with system app being added to GPD played list
- Changed logic in: XamUserGetUserFlagsFromXUID
- Implemented: XamUserIsOnlineEnabled
- Implemented: XamUserGetMembershipTier
- Implemented: XamUserGetMembershipTierFromXUID
- Implemented: XamUserGetUserTenure
- Partially Implemented: XamUserGetSubscriptionType

src/xenia/kernel/xam/ui/signin_ui.h

@@ -0,0 +1,53 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2025 Xenia Canary. All rights reserved.                          *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_KERNEL_XAM_UI_SIGNIN_UI_H_
+#define XENIA_KERNEL_XAM_UI_SIGNIN_UI_H_
+
+#include "xenia/kernel/xam/xam_ui.h"
+
+namespace xe {
+namespace kernel {
+namespace xam {
+namespace ui {
+
+class SigninUI final : public XamDialog {
+ public:
+  SigninUI(xe::ui::ImGuiDrawer* imgui_drawer, ProfileManager* profile_manager,
+           uint32_t last_used_slot, uint32_t users_needed);
+
+ private:
+  void OnDraw(ImGuiIO& io) override;
+
+  void ReloadProfiles(bool first_draw);
+
+  const std::map<uint8_t, std::string> slot_data_ = {
+      {0, "Slot 0"}, {1, "Slot 1"}, {2, "Slot 2"}, {3, "Slot 3"}};
+
+  ProfileManager* profile_manager_ = nullptr;
+
+  bool has_opened_ = false;
+  std::string title_;
+  uint32_t users_needed_ = 1;
+  uint32_t last_user_ = 0;
+
+  std::vector<std::pair<uint64_t, std::string>> profile_data_;
+  uint8_t chosen_slots_[XUserMaxUserCount] = {};
+  uint64_t chosen_xuids_[XUserMaxUserCount] = {};
+
+  bool creating_profile_ = false;
+  char gamertag_[16] = "";
+};
+
+}  // namespace ui
+}  // namespace xam
+}  // namespace kernel
+}  // namespace xe
+
+#endif