Do not set redundant space in string representation of lambdas

idea/idea-jvm/src/com/intellij/debugger/streams/kotlin/trace/dsl/KotlinLambda.kt

@@ -13,7 +13,7 @@ class KotlinLambda(override val variableName: String, override val body: CodeBlo
   override fun call(callName: String, vararg args: Expression): Expression = TextExpression("(${toCode()})").call(callName, *args)
 
   override fun toCode(indent: Int): String =
-    "{ $variableName -> \n".withIndent(indent) +
+    "{ $variableName ->\n".withIndent(indent) +
     body.toCode(indent + 1) +
     "}"
 }

idea/testData/debugger/sequence/dsl/lambdaBlockReturn.out

@@ -1,4 +1,4 @@
-{ y -> 
+{ y ->
   y.method1()
   y
 }

idea/testData/debugger/sequence/dsl/lambdaExpressionReturn.out

@@ -1,3 +1,3 @@
-{ y -> 
+{ y ->
   y
 }

idea/testData/debugger/sequence/dsl/lambdaWithCodeBlock.out

@@ -1,4 +1,4 @@
-{ y -> 
+{ y ->
   y.method1()
   y.method2()
 }

idea/testData/debugger/sequence/dsl/lambdaWithExpression.out

@@ -1,3 +1,3 @@
-{ x -> 
+{ x ->
   x.method()
 }