KT-38003 "Analyze Data Flow from Here" should work on parameter of abstract method

#KT-38003 Fixed

idea/testData/slicer/outflow/abstractMethodParameter1.kt

@@ -0,0 +1,11 @@
+// FLOW: OUT
+
+interface I {
+    fun foo(<caret>p: Any)
+}
+
+class C : I {
+    override fun foo(p: Any) {
+        println(p)
+    }
+}

idea/testData/slicer/outflow/abstractMethodParameter1.results.txt

@@ -0,0 +1,3 @@
+4 fun foo(<bold>p: Any</bold>)
+8 	override fun foo(<bold>p: Any</bold>) {
+9 		println(<bold>p</bold>)

idea/testData/slicer/outflow/abstractMethodParameter2.kt

@@ -0,0 +1,15 @@
+// FLOW: OUT
+
+interface I {
+    fun foo(p: Any)
+}
+
+class C : I {
+    override fun foo(p: Any) {
+        println(p)
+    }
+}
+
+fun bar(i: I, s: String) {
+    i.foo(<caret>s)
+}

idea/testData/slicer/outflow/abstractMethodParameter2.results.txt

@@ -0,0 +1,4 @@
+14 i.foo(<bold>s</bold>)
+4 	fun foo(<bold>p: Any</bold>)
+8 		override fun foo(<bold>p: Any</bold>) {
+9 			println(<bold>p</bold>)

idea/testData/slicer/outflow/openMethodParameter.kt

@@ -0,0 +1,13 @@
+// FLOW: OUT
+
+open class C {
+    open fun foo(<caret>p: Any) {
+        println(p)
+    }
+}
+
+class D : C() {
+    override fun foo(p: Any) {
+        println(p + 1)
+    }
+}

idea/testData/slicer/outflow/openMethodParameter.results.txt

@@ -0,0 +1,4 @@
+4 open fun foo(<bold>p: Any</bold>) {
+5 	println(<bold>p</bold>)
+10 	override fun foo(<bold>p: Any</bold>) {
+11 		println(<bold>p</bold> + 1)