[analyzer] Use dynamic type when invalidating by a member function call (#111138) When instantiating "callable<T>", the "class CallableType" nested type will only have a declaration in the copy for the instantiation - because it's not refereed to directly by any other code that would need a complete definition. However, in the past, when conservative eval calling member function, we took the static type of the "this" expr, and looked up the CXXRecordDecl it refereed to to see if it has any mutable members (to decide if it needs to refine invalidation or not). Unfortunately, that query needs a definition, and it asserts otherwise, thus we crashed. To fix this, we should consult the dynamic type of the object, because that will have the definition. I anyways added a check for "hasDefinition" just to be on the safe side. Fixes #77378
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