Revert "Remove fuzzy searching entirely because of performance issues"

This reverts commit e86f65ad2d.

ElementX/Sources/Application/AppSettings.swift

@@ -38,6 +38,7 @@ final class AppSettings {
         case notificationSettingsEnabled
         case swiftUITimelineEnabled
         case pollsInTimeline
+        case fuzzySearchEnabled
     }
     
     private static var suiteName: String = InfoPlistReader.main.appGroupIdentifier
@@ -223,4 +224,7 @@ final class AppSettings {
 
     @UserPreference(key: UserDefaultsKeys.pollsInTimeline, defaultValue: false, storageType: .userDefaults(store))
     var pollsInTimelineEnabled
+    
+    @UserPreference(key: UserDefaultsKeys.fuzzySearchEnabled, defaultValue: true, storageType: .userDefaults(store))
+    var fuzzySearchEnabled
 }