Permission problems with password field

[dswd]

• Users cannot change their own password
• Admins cannot change or reset users passwords

Traceback (most recent call last):
  File "/code/service/tomato/lib/rpc/xmlrpc.py", line 256, in execute
    res = func(*args, **kwargs)
  File "/code/service/tomato/api/account.py", line 127, in account_modify
    ignore_key_on_unauthorized, ignore_flag_on_unauthorized)
  File "/code/service/tomato/authorization/permission_checker.py", line 226, in reduce_keys_to_allowed
    auth_fail("You are not allowed to set this key.", data={"key": k})
  File "/code/service/tomato/authorization/permission_checker.py", line 17, in auth_fail
    auth_check(False, message, data)
  File "/code/service/tomato/authorization/permission_checker.py", line 14, in auth_check
    UserError.check(condition, code=UserError.DENIED, message=message, data=data)
  File "/code/service/tomato/lib/error.py", line 147, in check
    raise exception
UserError: unknown user error [denied]: You are not allowed to set this key.
	key='password'