Do not force new line in body for empty functions and function expressions (KT-10828)

#KT-10828 Fixed

idea/testData/copyPaste/conversion/AddImportsWithExplicitImports.expected.kt

@@ -1,11 +1,9 @@
 import java.io.File
 
 internal class C {
-    private fun memberFun(file: File) {
-    }
+    private fun memberFun(file: File) {}
 
     companion object {
-        @JvmStatic fun main(args: Array<String>) {
-        }
+        @JvmStatic fun main(args: Array<String>) {}
     }
 }

idea/testData/copyPaste/conversion/HalfTheWhiteSpace.expected.kt

@@ -1,11 +1,9 @@
 class A {
 
 
-    fun foo() {
-    }
+    fun foo() {}
 
-    fun bar() {
-    }
+    fun bar() {}
 
 
     fun f() {}