Fix various code issues.
i18n invite menu.

Remove hooks completely. :)

200 error milestone

Add servers to MobX.

Add Channel object.

i18n invites page.
Polish the bans page.

Use server config for image proxy.

Don't pass dispatcher in, just provide it globally.
Fix: Allow clicking through to profile from server sidebar.

- replaced many uses of `as any` with another more specific cast `as T`
- filled in missing typed for items that needed to be typed
  - new runtime code was added where necessary to satisfy the new types with comments
- added missing theme variable "sidebar-active" to the Theme variables
- forms using `react-hook-form` are now typechecked
- changed some instances of `target` into `currentTarget` while removing `as any` assertions

Can now call from friends list.

Modals: Allow all modals to be closed by ESC (permitting).
Fix: Handle closing DMs properly. Stop propagation too.

Fix: Restore hooks.ts patch, additionally use numbers.

Servers: Fix various issues relating to voice channels.