fix(office): fixes user invitation to external meeting opening jitsi instead

[phiter]

Description

This fixes a bug where when inviting users to join an external meeting, a jitsi room was created instead.

closes #222

How to test?

1. Open matrix in two different accounts
2. Join an external meeting in one account
3. Invite the other user to join the same meeting
4. Accept the invitation as the other user

Expected behavior

The user should join the external meeting and no jitsi call should be created for that room.

[phiter]

I decided to take the shortest path to fix this one since it is something my company needs to use. I extracted the onEnterRoom function and exported it, then imported it to be used where the accept invitation event happens.

I think that function should be extracted to another file instead of OfficePage.js but I don't know where exactly, so please review it and let me know where is the best place to put it.

[angeliski]

Nice @phiter
Maybe can we move that functions to the store?
What do you think @megatroom? React isn't my strongest point

[megatroom]

Excellent refactoring! This division by functions was very good. 💯 🚀

Would you mind doing some tests to ensure this behavior?

I left a comment regarding the signature of a function.

[juliemar]

Hi @phiter I just merged your previous PR and now there is a conflict in this branch. Could you fix them for me to continue merge?

[phiter]

@juliemar done!

[megatroom]

LGTM! 🚀