FIR: Support loading deserialized declarations from JVM class files

compiler/fir/resolve/testData/loadCompiledKotlin/fun/PropagateDeepSubclass.txt

@@ -0,0 +1,14 @@
+public abstract interface A : R|kotlin/Any| {
+    public open fun bar(): R|kotlin/Unit|
+
+    public open fun foo(): R|kotlin/Unit|
+
+}
+
+public open class B : R|test/A| {
+}
+
+public final class C : R|test/B| {
+    public open fun bar(): R|kotlin/Unit|
+
+}