Reindex server configs and fix bad data

ios/App/App/AppDelegate.swift

@@ -11,7 +11,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         // Override point for customization after application launch.
         
         let configuration = Realm.Configuration(
-            schemaVersion: 3,
+            schemaVersion: 4,
             migrationBlock: { migration, oldSchemaVersion in
                 if (oldSchemaVersion < 1) {
                     NSLog("Realm schema version was \(oldSchemaVersion)")
@@ -19,6 +19,14 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
                         newObject?["enableAltView"] = false
                     }
                 }
+                if (oldSchemaVersion < 4) {
+                    NSLog("Realm schema version was \(oldSchemaVersion)... Reindexing server configs")
+                    var indexCounter = 1
+                    migration.enumerateObjects(ofType: ServerConnectionConfig.className()) { oldObject, newObject in
+                        newObject?["index"] = indexCounter
+                        indexCounter += 1
+                    }
+                }
             }
         )
         Realm.Configuration.defaultConfiguration = configuration