DeprecatedSymbolUsageFix: initial implementation

idea/testData/quickfix/deprecatedSymbolUsage/extensionForGenericClass.kt

@@ -0,0 +1,12 @@
+// "Replace with 'newFun(t)'" "true"
+
+class C<T>
+
+@deprecated("", ReplaceWith("newFun(t)"))
+fun <T> C<T>.oldFun(t: T){}
+
+fun <T> C<T>.newFun(t: T){}
+
+fun foo(x: C<String>) {
+    x.<caret>oldFun("a")
+}