Reverse IssueType ordering

Reversed both in the enum and where it's displayed, so ends up the same in the end.

osu.Game/Rulesets/Edit/Checks/Components/IssueType.cs

@@ -4,22 +4,22 @@
 namespace osu.Game.Rulesets.Edit.Checks.Components
 {
     /// <summary>
-    /// The type, or severity, of an issue. This decides its priority.
+    /// The type, or severity, of an issue.
     /// </summary>
     public enum IssueType
     {
         /// <summary> A must-fix in the vast majority of cases. </summary>
-        Problem = 3,
+        Problem,
 
         /// <summary> A possible mistake. Often requires critical thinking.  </summary>
-        Warning = 2,
+        Warning,
 
         // TODO: Try/catch all checks run and return error templates if exceptions occur.
         /// <summary> An error occurred and a complete check could not be made. </summary>
-        Error = 1,
+        Error,
 
         // TODO: Negligible issues should be hidden by default.
         /// <summary> A possible mistake so minor/unlikely that it can often be safely ignored. </summary>
-        Negligible = 0,
+        Negligible,
     }
 }