[FIR2IR] Copy type parameters for trivial fake overrides

compiler/testData/ir/irText/firProblems/FirBuilder.kt

@@ -0,0 +1,15 @@
+// MODULE: m1
+// FILE: BaseFirBuilder.kt
+
+abstract class BaseFirBuilder<T> {
+    inline fun <T> withCapturedTypeParameters(block: () -> T): T {
+        return block()
+    }
+}
+
+// MODULE: m2(m1)
+// FILE: FirBuilder.kt
+
+open class BaseConverter : BaseFirBuilder<Any>()
+
+class DeclarationsConverter : BaseConverter()