Support extension lambda inlining

#KT-7962 Fixed

compiler/testData/codegen/boxInline/simple/extensionLambda.1.kt

@@ -0,0 +1,9 @@
+import test.*
+
+fun box(): String {
+    val p = "".test(50.0) {
+        it
+    }
+
+    return if (p == 50.0) "OK" else "fail $p"
+}

compiler/testData/codegen/boxInline/simple/extensionLambda.2.kt

@@ -0,0 +1,3 @@
+package test
+
+inline fun <T> String.test(default: T, cb: String.(T) -> T): T = cb(default)