Indexing: Fixing Migrations when upgrading from migration version 2 (1.9.2). Fixes #6382

src/Orchard.Web/Modules/Orchard.Indexing/Migrations.cs

@@ -33,14 +33,13 @@ namespace Orchard.Indexing {
                 }
             }
 
-            return 2;
+            return 4; // Returns 4 instead of 2 due to the modified/deleted migrations in UpdateFrom2-3.
         }
 
         public int UpdateFrom2() {
-
             // A table for a custom job implementation was here, but since we use JobsQueue that table is deprecated.
 
-            return 3;
+            return 4; // See the comment in UpdateFrom1.
         }
 
         public int UpdateFrom3() {