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

#KT-10828 Fixed

idea/testData/formatter/FunctionExpression.after.kt

@@ -1,17 +1,13 @@
-val a = fun() {
-}
-val b = fun test() {
-}
+val a = fun() {}
+val b = fun test() {}
 
-val c = fun() {
-}
+val c = fun() {}
 val c = fun() = 4
 
 val c = fun() =
         4
 
-val c = fun() {
-}
+val c = fun() {}
 val c = fun() = 4
 
 fun test() = fun test() = 4
@@ -19,18 +15,29 @@ fun test() = fun test() = 4
 fun test() {
     test(fun() {
     })
-    test(fun test() {
-    })
+    test(fun test() {})
     test(fun test() = 5)
 
     test(fun test() = fun test(a: Int) = 2)
 
-    2.(fun test() {
-    })()
+    2.(fun test() {})()
 
     (fun() = 4)
-    (fun() {
-    })
+    (fun() {})
 
     test(fun test() = 4)
-}
+}
+
+fun d = fun(a: Int,
+            b: String) {
+}
+
+fun e = fun() {
+    val a = 1
+}
+
+fun f = fun() { foo() }
+
+val g: (String) -> Int = fun(p: String): Unit { /* comment */ /* other comment */ }
+
+fun foo() {}