Fix Swift 6 build

Author: stevensJourney

Sources/PowerSync/Kotlin/db/KotlinConnectionContext.swift

@@ -98,10 +98,10 @@ final class KotlinTransactionContext: Transaction, KotlinConnectionContextProtoc
 func mapParameters(_ parameters: [Any?]?) -> [Any] {
     parameters?.map { item in
         switch item {
-            case .none: NSNull()
-            case let item as PowerSyncDataTypeConvertible:
-                item.psDataType?.unwrap() ?? NSNull()
-            default: item
+        case .none: NSNull()
+        case let item as PowerSyncDataTypeConvertible:
+            item.psDataType?.unwrap() ?? NSNull()
+        default: item as Any
         }
     } ?? []
 }

Tests/PowerSyncTests/Kotlin/KotlinPowerSyncDatabaseImplTests.swift

@@ -1,5 +1,5 @@
-@testable import PowerSync
 import struct Foundation.UUID
+@testable import PowerSync
 import XCTest
 
 final class KotlinPowerSyncDatabaseImplTests: XCTestCase {
@@ -164,11 +164,11 @@ final class KotlinPowerSyncDatabaseImplTests: XCTestCase {
             parameters: [uuid, "Test User", "test@example.com"]
         )
 
-        let _ = try await database.getOptional(
+        _ = try await database.getOptional(
             sql: "SELECT id, name, email FROM users WHERE id = ?",
             parameters: [uuid]
         ) { cursor throws in
-           try (
+            try (
                 cursor.getString(name: "id"),
                 cursor.getString(name: "name"),
                 cursor.getString(name: "email")
@@ -719,9 +719,8 @@ final class KotlinPowerSyncDatabaseImplTests: XCTestCase {
     }
 }
 
-
-extension UUID: @retroactive PowerSyncDataTypeConvertible {
+extension UUID: PowerSyncDataTypeConvertible {
     public var psDataType: PowerSyncDataType? {
         .string(uuidString)
     }
-}
+}