IR: additional callable reference adapter stuff in IR

- IrFunctionReference.reflectionTarget: IrFunctionSymbol?
- add separate declaration origin for callable reference adapters
- bump IR ABI version

compiler/testData/ir/irText/expressions/funInterface/samConversionOnCallableReference.kt

@@ -0,0 +1,25 @@
+// !LANGUAGE: +NewInference +FunctionalInterfaceConversion +SamConversionPerArgument +SamConversionForKotlinFunctions
+fun interface KRunnable {
+    fun run()
+}
+
+fun foo0() {}
+fun foo1(vararg xs: Int): Int = 1
+
+fun use(r: KRunnable) {}
+
+fun testSamConstructor() =
+    KRunnable(::foo0)
+
+// TODO should use an adapter function
+fun testSamCosntructorOnAdapted() =
+    KRunnable(::foo1)
+
+fun testSamConversion() {
+    use(::foo0)
+}
+
+// TODO should use an adapter function
+fun testSamConversionOnAdapted() {
+    use(::foo1)
+}