tests: apply official code style

#KT-38632 Fixed

idea/testData/intentions/loopToCallChain/sum/indexUsed.kt.after

@@ -3,7 +3,7 @@
 // INTENTION_TEXT_2: "Replace with 'asSequence().mapIndexed{}.sum()'"
 fun foo(list: List<Int>): Int {
     val <caret>s = list
-            .mapIndexed { index, item -> item * index }
-            .sum()
+        .mapIndexed { index, item -> item * index }
+        .sum()
     return s
 }

idea/testData/intentions/loopToCallChain/sum/indexUsed.kt.after2

@@ -3,8 +3,8 @@
 // INTENTION_TEXT_2: "Replace with 'asSequence().mapIndexed{}.sum()'"
 fun foo(list: List<Int>): Int {
     val <caret>s = list
-            .asSequence()
-            .mapIndexed { index, item -> item * index }
-            .sum()
+        .asSequence()
+        .mapIndexed { index, item -> item * index }
+        .sum()
     return s
 }

idea/testData/intentions/loopToCallChain/sum/indexUsed2.kt.after

@@ -3,8 +3,8 @@
 // INTENTION_TEXT_2: "Replace with 'asSequence().mapIndexed{}.sum()'"
 fun foo(list: List<Any>): Int {
     val s = list
-            .mapIndexed { index, item -> getShort(index, item) }
-            .sum()
+        .mapIndexed { index, item -> getShort(index, item) }
+        .sum()
     return s
 }
 

idea/testData/intentions/loopToCallChain/sum/indexUsed2.kt.after2

@@ -3,9 +3,9 @@
 // INTENTION_TEXT_2: "Replace with 'asSequence().mapIndexed{}.sum()'"
 fun foo(list: List<Any>): Int {
     val s = list
-            .asSequence()
-            .mapIndexed { index, item -> getShort(index, item) }
-            .sum()
+        .asSequence()
+        .mapIndexed { index, item -> getShort(index, item) }
+        .sum()
     return s
 }
 

idea/testData/intentions/loopToCallChain/sum/smartCast.kt.after

@@ -3,6 +3,6 @@
 // INTENTION_TEXT_2: "Replace with 'asSequence().filterIsInstance<>().sum()'"
 fun foo(list: List<Any>){
     val <caret>result = list
-            .filterIsInstance<Int>()
-            .sum()
+        .filterIsInstance<Int>()
+        .sum()
 }

idea/testData/intentions/loopToCallChain/sum/smartCast.kt.after2

@@ -3,7 +3,7 @@
 // INTENTION_TEXT_2: "Replace with 'asSequence().filterIsInstance<>().sum()'"
 fun foo(list: List<Any>){
     val <caret>result = list
-            .asSequence()
-            .filterIsInstance<Int>()
-            .sum()
+        .asSequence()
+        .filterIsInstance<Int>()
+        .sum()
 }

idea/testData/intentions/loopToCallChain/sum/smartCastNotNull.kt.after

@@ -3,6 +3,6 @@
 // INTENTION_TEXT_2: "Replace with 'asSequence().filterNotNull().sum()'"
 fun foo(list: List<Int?>){
     val <caret>result = list
-            .filterNotNull()
-            .sum()
+        .filterNotNull()
+        .sum()
 }

idea/testData/intentions/loopToCallChain/sum/smartCastNotNull.kt.after2

@@ -3,7 +3,7 @@
 // INTENTION_TEXT_2: "Replace with 'asSequence().filterNotNull().sum()'"
 fun foo(list: List<Int?>){
     val <caret>result = list
-            .asSequence()
-            .filterNotNull()
-            .sum()
+        .asSequence()
+        .filterNotNull()
+        .sum()
 }

idea/testData/intentions/loopToCallChain/sum/sumByIntsIntoLong.kt.after

@@ -3,7 +3,7 @@
 // INTENTION_TEXT_2: "Replace with 'asSequence().map{}.sum()'"
 fun foo(list: List<Int>): Long {
     val <caret>s = list
-            .map { it.toLong() }
-            .sum()
+        .map { it.toLong() }
+        .sum()
     return s
 }

idea/testData/intentions/loopToCallChain/sum/sumByIntsIntoLong.kt.after2

@@ -3,8 +3,8 @@
 // INTENTION_TEXT_2: "Replace with 'asSequence().map{}.sum()'"
 fun foo(list: List<Int>): Long {
     val <caret>s = list
-            .asSequence()
-            .map { it.toLong() }
-            .sum()
+        .asSequence()
+        .map { it.toLong() }
+        .sum()
     return s
 }