KT-5292 Expand selection should have kdoc + method as a stop point

KT-3947 Extend selection works badly with comment

 #KT-5292 Fixed
 #KT-3947 Fixed

idea/testData/wordSelection/Statements/10.kt

@@ -10,7 +10,7 @@ fun main(args : Array<String>) {
     }
 }
 
-<selection>fun foo() : Unit {
+fun foo() : Unit <selection>{
     println() {
         println()
 

idea/testData/wordSelection/Statements/11.kt

@@ -1,4 +1,4 @@
-<selection>fun main(args : Array<String>) {
+fun main(args : Array<String>) {
     for (i in 1..100) {
         when {
             i%3 == 0 -> {print("Fizz"); continue;}
@@ -10,7 +10,7 @@
     }
 }
 
-fun foo() : Unit {
+<selection>fun foo() : Unit {
     println() {
         println()
 

idea/testData/wordSelection/Statements/12.kt

@@ -0,0 +1,24 @@
+<selection>fun main(args : Array<String>) {
+    for (i in 1..100) {
+        when {
+            i%3 == 0 -> {print("Fizz"); continue;}
+            i%5 == 0 -> {print("Buzz"); continue;}
+
+            (i%3 != 0 && i%5 != 0) -> {print(i); continue;}
+            else -> println()
+        }
+    }
+}
+
+fun foo() : Unit {
+    println() {
+        println()
+
+
+        pr<caret>intln()
+        println()
+    }
+
+    println(array(1, 2, 3))
+    println()
+}</selection>

idea/testData/wordSelection/Statements/6.kt

@@ -17,8 +17,8 @@ fun foo() : Unit {
 
         pr<caret>intln()
         println()
-    }
-</selection>
+    }</selection>
+
     println(array(1, 2, 3))
     println()
 }

idea/testData/wordSelection/Statements/7.kt

@@ -11,7 +11,7 @@ fun main(args : Array<String>) {
 }
 
 fun foo() : Unit {
-<selection>    println() {
+    println() <selection>{
         println()
 
 

idea/testData/wordSelection/Statements/8.kt

@@ -18,7 +18,7 @@ fun foo() : Unit {
         pr<caret>intln()
         println()
     }
-
+</selection>
     println(array(1, 2, 3))
     println()
-</selection>}
+}

idea/testData/wordSelection/Statements/9.kt

@@ -10,8 +10,8 @@ fun main(args : Array<String>) {
     }
 }
 
-fun foo() : Unit <selection>{
-    println() {
+fun foo() : Unit {
+<selection>    println() {
         println()
 
 
@@ -21,4 +21,4 @@ fun foo() : Unit <selection>{
 
     println(array(1, 2, 3))
     println()
-}</selection>
+</selection>}