Implement "Surround with try/catch(/finally)" and "Surround with if/else" for expressions

Fixes #KT-14175
Fixes #KT-19782

idea/testData/codeInsight/surroundWith/ifElseExpression/asStatement.kt

@@ -0,0 +1,7 @@
+// IS_APPLICABLE: false
+
+fun foo() {
+    fun call() {}
+
+    <selection>call()</selection>
+}

idea/testData/codeInsight/surroundWith/ifElseExpression/paranthesized.kt

@@ -0,0 +1,3 @@
+fun foo() {
+    <selection>"aaa"</selection> + 1
+}

idea/testData/codeInsight/surroundWith/ifElseExpression/paranthesized.kt.after

@@ -0,0 +1,3 @@
+fun foo() {
+    (if (<selection></selection>) "aaa" else) + 1
+}

idea/testData/codeInsight/surroundWith/ifElseExpression/singleExpression.kt

@@ -0,0 +1,3 @@
+fun foo() {
+    val a = <selection>"aaa"</selection>
+}

idea/testData/codeInsight/surroundWith/ifElseExpression/singleExpression.kt.after

@@ -0,0 +1,3 @@
+fun foo() {
+    val a = if (<selection></selection>) "aaa" else
+}