UI: Button to open screenshots folder in File menu

src/Ryujinx/UI/ViewModels/MainWindowViewModel.cs

@@ -1785,6 +1785,25 @@ namespace Ryujinx.Ava.UI.ViewModels
             OpenHelper.OpenFolder(AppDataManager.BaseDirPath);
         }
 
+        public void OpenScreenshotsFolder()
+        {
+            string screenshotsDir = Path.Combine(AppDataManager.BaseDirPath, "screenshots");
+
+            try
+            {
+                if (!Directory.Exists(screenshotsDir))
+                    Directory.CreateDirectory(screenshotsDir);
+            }
+            catch (Exception ex)
+            {
+                Logger.Error?.Print(LogClass.Application, $"Failed to create directory at path {screenshotsDir}. Error : {ex.GetType().Name}", "Screenshot");
+
+                return;
+            }
+            
+            OpenHelper.OpenFolder(screenshotsDir);
+        }
+
         public void OpenLogsFolder()
         {
             string logPath = AppDataManager.GetOrCreateLogsDir();

src/Ryujinx/UI/Views/Main/MainMenuBarView.axaml

@@ -55,6 +55,10 @@
                     Command="{Binding OpenRyujinxFolder}"
                     Header="{locale:Locale MenuBarFileOpenEmuFolder}"
                     ToolTip.Tip="{locale:Locale OpenRyujinxFolderTooltip}" />
+                <MenuItem
+                    Command="{Binding OpenScreenshotsFolder}"
+                    Header="{locale:Locale MenuBarFileOpenScreenshotsFolder}"
+                    ToolTip.Tip="{locale:Locale OpenScreenshotFolderTooltip}"/>
                 <MenuItem
                     Command="{Binding OpenLogsFolder}"
                     Header="{locale:Locale MenuBarFileOpenLogsFolder}"