fix: addressed linting issues

Author: DeTuksa

lib/src/helpers/paste_helper/paste_helper.dart

@@ -1,2 +1,2 @@
 export 'paste_helper_stub.dart'
- if (dart.library.js_interop) 'paste_helper_web.dart';
+    if (dart.library.js_interop) 'paste_helper_web.dart';

lib/src/views/chat_input/chat_input.dart

@@ -196,7 +196,7 @@ class _ChatInputState extends State<ChatInput> {
                             cancelButtonStyle: _chatStyle!.cancelButtonStyle!,
                             voiceNoteRecorderStyle:
                                 _chatStyle!.voiceNoteRecorderStyle!,
-                                onAttachments: onAttachments,
+                            onAttachments: onAttachments,
                           ),
                         ),
                         Padding(

lib/src/views/chat_input/text_or_audio_input.dart

@@ -3,7 +3,6 @@ import 'package:flutter/widgets.dart';
 import 'package:flutter_ai_toolkit/flutter_ai_toolkit.dart';
 import 'package:waveform_recorder/waveform_recorder.dart';
 
-import '../../styles/styles.dart';
 import '../../utility.dart';
 import '../chat_text_field.dart';
 import 'editing_indicator.dart';