#450 - dispatch login after saved state is loaded

Closes #450

See merge request !701

#455 - prevent text pasting if image is pasted

Closes #455

See merge request !705

Remove border radius of suggested emojis

See merge request !704

Transition to MastoAPI: composing new status and media upload

Closes #435

See merge request !686

Transition to MastoAPI: Mute & Block and Add Mutes management tab

See merge request !611

#448 - fix timeline fetch error when status text is null

Closes #448

See merge request !700

#452 - unfollow button issue

Closes #452

See merge request !698

#451 - long username on follow/follower tabs

Closes #451

See merge request !697

Transition to MastoAPI: user search

Closes #438

See merge request !677