Adding Display Specifiers objects analysis

[Fanaw]

This PR adds analysis of Display Specifier objects in the Configuration naming context.

Modified Display Specifiers can add new menu contexts in the ADUC admin tool, which may make execute arbitrary code unwittingly to administrators.

Here is an example when the user-Display Display Specifier is modified:



(Remote files can also be executed this way).

This PR compares current values of adminContextMenu of every Display Specifier to extracted default values.
When there is a mismatch, it is reported as output like other commands (example in JSON format):

[Fanaw]

After running this function in a real AD environement, I realized Display Modifier values are MUCH more heterogeneous than a default AD. I am going to review my code to check if dangerous files could be run through DM instead of comparing to default values.