Issue 23018. Fix for inlining multiline strings with leading whitespaces.

pkg/analysis_server/lib/src/services/refactoring/inline_local.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library services.src.refactoring.inline_local;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/protocol_server.dart' hide Element;
 import 'package:analysis_server/src/services/correction/source_range.dart';
@@ skipping 127 matching lines @@
         StringInterpolation target = parent.parent;
         if (initializer is SingleStringLiteral &&
             !initializer.isRaw &&
             initializer.isSingleQuoted == target.isSingleQuoted &&
             (!initializer.isMultiline || target.isMultiline)) {
           range = rangeNode(parent);
           // unwrap the literal being inlined
           int initOffset = initializer.contentsOffset;
           int initLength = initializer.contentsEnd - initOffset;
           codeForReference = utils.getText(initOffset, initLength);
-          // drop leading multiline EOL
-          if (initializer.isMultiline) {
-            if (codeForReference.startsWith('\n')) {
-              codeForReference = codeForReference.substring(1);
-            } else if (codeForReference.startsWith('\r\n')) {
-              codeForReference = codeForReference.substring(2);
-            }
-          }
         } else if (_shouldBeExpressionInterpolation(parent, initializer)) {
           codeForReference = '{$initializerCode}';
         } else {
           codeForReference = initializerCode;
         }
       } else if (_shouldUseParenthesis(initializer, node)) {
         codeForReference = '($initializerCode)';
       } else {
         codeForReference = initializerCode;
       }
@@ skipping 44 matching lines @@
         if (initializerOperator == TokenType.MINUS ||
             initializerOperator == TokenType.MINUS_MINUS) {
           return true;
         }
       }
     }
     // no () is needed
     return false;
   }
 }