[SYNPY-1322] Move permissions from models folder

[BryanFauble]

Problem:

1. With the OOP work in https://github.com/Sage-Bionetworks/synapsePythonClient/pull/1013 we are unable to pull in these models directly into the client.py. If you do it is causing a circular dependency because of the __init.py__ has other models which are pulling in synapseclient.Synapse

Solution:

1. Moving the Permissions object into the core

Testing:

1. Integration/Unit testing
2. I also verified that the methods are still working:

   
   perms = syn.get_permissions("syn52570249")

print(perms) print(perms.access_types)

Permissions(can_view=True, can_edit=True, can_move=True, can_add_child=True, can_certified_user_edit=True, can_certified_user_add_child=True, is_certified_user=True, can_change_permissions=True, can_change_settings=True, can_delete=True, can_download=True, can_upload=True, can_enable_inheritance=True, owner_principal_id=3481671, can_public_read=False, can_moderate=True, is_certification_required=True, is_entity_open_data=False) ['READ', 'UPDATE', 'CREATE', 'DELETE', 'DOWNLOAD', 'MODERATE', 'CHANGE_PERMISSIONS', 'CHANGE_SETTINGS']

[thomasyu888]

🔥 LGTM

[sonarcloud[bot]]

Quality Gate passed

The SonarCloud Quality Gate passed, but some issues were introduced.

1 New issue
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

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