fix(gutter): hide scrollbar from line numbers area

Wrap the gutter's SingleChildScrollView with ScrollConfiguration to hide
the scrollbar while maintaining synchronized scrolling functionality
between line numbers and code editor. Also update dependencies to match
lockfile versions.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: razankv13

lib/src/gutter/gutter.dart

@@ -1,4 +1,3 @@
-
 import 'package:flutter/material.dart';
 
 import 'package:flutter_code_editor/src/code_field/browser_detection.dart';
@@ -14,9 +13,6 @@ const _lineNumberColumn = 0;
 const _issueColumn = 1;
 const _foldingColumn = 2;
 
-
-
-
 class GutterWidget extends StatelessWidget {
   const GutterWidget({
     super.key,
@@ -47,7 +43,8 @@ class GutterWidget extends StatelessWidget {
         (style.showFoldingHandles ? 0 : _foldingColumnWidth);
 
     final issueColumnWidth = style.showErrors ? _issueColumnWidth : 0.0;
-    final foldingColumnWidth = style.showFoldingHandles ? _foldingColumnWidth : 0.0;
+    final foldingColumnWidth =
+        style.showFoldingHandles ? _foldingColumnWidth : 0.0;
 
     final tableRows = List.generate(
       code.hiddenLineRanges.visibleLineNumbers.length,
@@ -79,18 +76,20 @@ class GutterWidget extends StatelessWidget {
             right: 10,
           ),
       width: style.showLineNumbers ? gutterWidth : null,
-
-      child: SingleChildScrollView(
-        controller: scrollController,
-        child: Table(
-          columnWidths: {
-            _lineNumberColumn: const FlexColumnWidth(),
-            _issueColumn: FixedColumnWidth(issueColumnWidth),
-            _foldingColumn: FixedColumnWidth(foldingColumnWidth),
-          },
-          defaultVerticalAlignment: TableCellVerticalAlignment.baseline,
-          textBaseline: TextBaseline.alphabetic,
-          children: tableRows,
+      child: ScrollConfiguration(
+        behavior: ScrollConfiguration.of(context).copyWith(scrollbars: false),
+        child: SingleChildScrollView(
+          controller: scrollController,
+          child: Table(
+            columnWidths: {
+              _lineNumberColumn: const FlexColumnWidth(),
+              _issueColumn: FixedColumnWidth(issueColumnWidth),
+              _foldingColumn: FixedColumnWidth(foldingColumnWidth),
+            },
+            defaultVerticalAlignment: TableCellVerticalAlignment.baseline,
+            textBaseline: TextBaseline.alphabetic,
+            children: tableRows,
+          ),
         ),
       ),
     );
@@ -118,7 +117,8 @@ class GutterWidget extends StatelessWidget {
       const newLine = '\n';
       double textWrappedTimes = 1;
       if (size != null && code.text.isNotEmpty) {
-        final textWidth = getTextWidth(code.lines[lineIndex].text, style.textStyle!);
+        final textWidth =
+            getTextWidth(code.lines[lineIndex].text, style.textStyle!);
         textWrappedTimes = textWidth.width / (size!.width - 36);
       }
 
@@ -145,7 +145,8 @@ class GutterWidget extends StatelessWidget {
 
       tableRows[lineIndex].children[_issueColumn] = GutterErrorWidget(
         issue,
-        style.errorPopupTextStyle ?? (throw Exception('Error popup style should never be null')),
+        style.errorPopupTextStyle ??
+            (throw Exception('Error popup style should never be null')),
       );
     }
   }

pubspec.yaml

@@ -11,8 +11,8 @@ dependencies:
   autotrie: ^2.0.0
   characters: ^1.3.0
   charcode: ^1.3.1
-  collection: ^1.17.2
-  equatable: ^2.0.5
+  collection: ^1.19.1
+  equatable: ^2.0.7
   flutter: { sdk: flutter }
   flutter_highlight: ^0.7.0
   highlight: ^0.7.0