Add intention to replace "Map.getOrDefault"

#KT-21503 Fixed

idea/testData/intentions/replaceMapGetOrDefault/.intention

@@ -0,0 +1 @@
+org.jetbrains.kotlin.idea.intentions.ReplaceMapGetOrDefaultIntention

idea/testData/intentions/replaceMapGetOrDefault/inExpression.kt

@@ -0,0 +1,4 @@
+// RUNTIME_WITH_FULL_JDK
+fun test(map: Map<Int, String>) {
+    map.<caret>getOrDefault(1, "bar") + "baz"
+}

idea/testData/intentions/replaceMapGetOrDefault/inExpression.kt.after

@@ -0,0 +1,4 @@
+// RUNTIME_WITH_FULL_JDK
+fun test(map: Map<Int, String>) {
+    (map[1] ?: "bar") + "baz"
+}

idea/testData/intentions/replaceMapGetOrDefault/nullableValue.kt

@@ -0,0 +1,6 @@
+// IS_APPLICABLE: false
+// RUNTIME_WITH_FULL_JDK
+fun main() {
+    val map = mapOf(1 to "", 2 to null)
+    val b = map.getOrDefault<caret>(2, "bar") == null
+}

idea/testData/intentions/replaceMapGetOrDefault/simple.kt

@@ -0,0 +1,4 @@
+// RUNTIME_WITH_FULL_JDK
+fun test(map: Map<Int, String>) {
+    map.getOrDefault<caret>(1, "bar")
+}

idea/testData/intentions/replaceMapGetOrDefault/simple.kt.after

@@ -0,0 +1,4 @@
+// RUNTIME_WITH_FULL_JDK
+fun test(map: Map<Int, String>) {
+    map<caret>[1] ?: "bar"
+}