FIR: Do not copy type parameters from class to constructors

Use the same instances from class declaration instead

Otherwise, primary constructor value parameter types when used
in the class body are considered as different from types
based on the class type parameters

See the test genericConstructors.kt, before this commit
"id" call was reported in inapplicable

compiler/testData/codegen/box/classes/simpleBox.kt

@@ -1,3 +1,4 @@
+// IGNORE_BACKEND_FIR: JVM_IR
 class Box<T>(t: T) {
     var value = t
 }