CF-4202537 - dump hides object methods

Issue: dump hides object methods

Steps to Reproduce:
1) Enable NULL support
2) Create MyCFC.cfc having component {function f() {return local}}
3) Run:

<cfscript>
  o = new MyCFC()
  writeDump(o.f())
</cfscript>

Actual Result:

struct
ARGUMENTS	struct [empty]
THIS	[cfc1] component MyCFC

Expected Result (and actual result w/ NULL support disabled):

struct
ARGUMENTS	struct [empty]
THIS	[cfc1] component MyCFC METHODS F function f Arguments: none ReturnType: Any Roles:   Access: public Output:   DisplayName:   Hint:   Description:

Verified in build 2018.0.01.308605 (PreRelease).
Filed as CF-4202537.