tests: apply official code style

#KT-38632 Fixed

idea/testData/refactoring/introduceParameter/multiline/multilineBinaryExpression.kt.after

@@ -1,6 +1,8 @@
 fun foo(i: Int) { }
 
-fun test(i: Int = (1
-        + 2)) {
+fun test(
+    i: Int = (1
+            + 2)
+) {
     foo(i)
 }

idea/testData/refactoring/introduceParameter/multiline/multilineBinaryExpressionWithComments.kt.after

@@ -1,6 +1,8 @@
 fun foo(i: Int) { }
 
-fun test(i: Int = (1 // abc
-        /*def*/ + 2)) {
+fun test(
+    i: Int = (1 // abc
+            /*def*/ + 2)
+) {
     foo(i)
 }

idea/testData/refactoring/introduceParameter/multiline/multilineNestedBinaryExpression1.kt.after

@@ -1,6 +1,8 @@
 fun foo(i: Int) { }
 
-fun test(i: Int = (1
-        + 2 - 3)) {
+fun test(
+    i: Int = (1
+            + 2 - 3)
+) {
     foo(i)
 }

idea/testData/refactoring/introduceParameter/multiline/multilineNestedBinaryExpression2.kt.after

@@ -1,6 +1,8 @@
 fun foo(i: Int) { }
 
-fun test(i: Int = (1 + 2
-        - 3)) {
+fun test(
+    i: Int = (1 + 2
+            - 3)
+) {
     foo(i)
 }

idea/testData/refactoring/introduceParameter/stringTemplates/rawTemplateWithSubstring.kt.after

@@ -1,5 +1,7 @@
-fun foo(a: Int, s: String = """c$a
-    :${a + 1}d"""): String {
+fun foo(
+    a: Int, s: String = """c$a
+    :${a + 1}d"""
+): String {
     val x = """_${s}_"""
     val y = "_$a:${a + 1}d_"
     val z = """_c$a:${a + 1}d_"""