KT-6582 "Expand selection" in string literal should select word in string

#KT-6582 fixed

idea/src/org/jetbrains/kotlin/idea/editor/wordSelection/KotlinWordSelectionFilter.kt

@@ -32,7 +32,7 @@ public class KotlinWordSelectionFilter : Condition<PsiElement>{
         if (e.getParent().getFirstChild().getNextSibling() == null && e.getParent() !is JetContainerNode) return false // skip nodes with the same range as their parent
 
         return when (e.getNode().getElementType()) {
-            BLOCK, LITERAL_STRING_TEMPLATE_ENTRY, KDocElementTypes.KDOC_SECTION -> false
+            BLOCK, KDocElementTypes.KDOC_SECTION -> false
             else -> true
         }
     }

idea/testData/wordSelection/SimpleStringLiteral2/0.kt

@@ -0,0 +1,3 @@
+fun main(args: Array<String>) {
+    println("<caret>foo bar")
+}

idea/testData/wordSelection/SimpleStringLiteral2/1.kt

@@ -0,0 +1,3 @@
+fun main(args: Array<String>) {
+    println("<selection><caret>foo</selection> bar")
+}

idea/testData/wordSelection/SimpleStringLiteral2/2.kt

@@ -0,0 +1,3 @@
+fun main(args: Array<String>) {
+    println("<selection><caret>foo bar</selection>")
+}

idea/testData/wordSelection/SimpleStringLiteral2/3.kt

@@ -0,0 +1,3 @@
+fun main(args: Array<String>) {
+    println(<selection>"<caret>foo bar"</selection>)
+}

idea/testData/wordSelection/TemplateStringLiteral1/2.kt

@@ -1 +1 @@
-val v = "<selection>aaa $x <caret>bbb</selection>"
+val v = "aaa $x<selection> <caret>bbb</selection>"

idea/testData/wordSelection/TemplateStringLiteral1/3.kt

@@ -1 +1 @@
-val v = <selection>"aaa $x <caret>bbb"</selection>
+val v = "<selection>aaa $x <caret>bbb</selection>"

idea/testData/wordSelection/TemplateStringLiteral1/4.kt

@@ -0,0 +1 @@
+val v = <selection>"aaa $x <caret>bbb"</selection>

idea/tests/org/jetbrains/kotlin/idea/WordSelectionTest.java

@@ -50,6 +50,7 @@ public class WordSelectionTest extends JetLightCodeInsightFixtureTestCase {
     public void testCommentForStatements() { doTest(); }
 
     public void testSimpleStringLiteral() { doTest(); }
+    public void testSimpleStringLiteral2() { doTest(); }
 
     public void testTemplateStringLiteral1() { doTest(); }
     public void testTemplateStringLiteral2() { doTest(); }