Add origin for generated jvm overloads and tweak equals methods to distinguish them

- KT-7586 Strange navigation issue

 #KT-7586 Fixed

idea/testData/kotlinAndJavaChecker/JvmOverloadsFunctions.kt

@@ -0,0 +1,9 @@
+package test.kotlin
+
+trait A
+
+kotlin.jvm.overloads
+public fun foo<T : A>(k: Class<T>, a: A, b: Boolean = false, s: String="hello"): List<T> {
+    println("$b $s")
+    return listOf()
+}