chore: revert imports changes in vss_rust_client_ffi.kt

Author: ovitrif

libs/vss-client/src/main/java/uniffi/vss_rust_client_ffi/vss_rust_client_ffi.kt

@@ -17,20 +17,21 @@ package uniffi.vss_rust_client_ffi
 // compile the Rust component. The easiest way to ensure this is to bundle the Kotlin
 // helpers directly inline like we're doing here.
 
-import com.sun.jna.IntegerType
 import com.sun.jna.Library
+import com.sun.jna.IntegerType
 import com.sun.jna.Native
 import com.sun.jna.Pointer
 import com.sun.jna.Structure
-import com.sun.jna.ptr.ByReference
-import kotlinx.coroutines.CancellableContinuation
-import kotlinx.coroutines.suspendCancellableCoroutine
+import com.sun.jna.Callback
+import com.sun.jna.ptr.*
 import java.nio.ByteBuffer
 import java.nio.ByteOrder
 import java.nio.CharBuffer
 import java.nio.charset.CodingErrorAction
 import java.util.concurrent.ConcurrentHashMap
 import kotlin.coroutines.resume
+import kotlinx.coroutines.CancellableContinuation
+import kotlinx.coroutines.suspendCancellableCoroutine
 
 // This is a helper for safely working with byte buffers returned from the Rust code.
 // A rust-owned buffer is represented by its capacity, its current length, and a