"Add not-null asserted (!!) call": do not add this when implicit receiver is not extension receiver

#KT-34894 Fixed

idea/testData/quickfix/addExclExclCall/implicit3.kt

@@ -0,0 +1,12 @@
+// "Add non-null asserted (!!) call" "true"
+class Foo {
+    val project: Project? = null
+
+    fun quux() {
+        baz(<caret>project)
+    }
+
+    fun baz(project: Project) {}
+
+    class Project
+}