Speaker Editing Session: Results partly seeing admin menu

[mariobehling]

If a speaker accesses talks through "My Sessions" (https://eventyay.com/my-sessions) and tries to edit his/her proposal the speaker sees the admin menu accesses links as the following example:

• https://eventyay.com/events/950/speakers/edit/4157
• https://eventyay.com/events/950/sessions/edit/5594
  After saving the speaker sees the admin menu of the event and has access to the scheduler.

Expected:

• Accessing talks through the link should be the same as when the speaker tries to edit the talks or speaker details through the actual call for speaker website, e.g.:
  https://eventyay.com/e/a74665c3/cfs/edit/4258 (speaker edit)
  https://eventyay.com/e/a74665c3/cfs/edit/5642 (session edit)
  Best would be to just use exactly the same links.
• No access to the scheduler should be possible for a standard speaker.