Editor Commands (#1450)

* add commands hook

* add commands in editor

* add command auto complete menu

* add commands in room input

* remove old reply code from room input

* fix video component css

* do not auto focus input on android or ios

* fix crash on enable block after selection

* fix circular deps in editor

* fix autocomplete return focus move editor cursor

* remove unwanted keydown from room input

* fix emoji alignment in editor

* test ipad user agent

* refactor isAndroidOrIOS to mobileOrTablet

* update slate & slate-react

* downgrade slate-react to 0.98.4
0.99.0 has breaking changes with ReactEditor.focus

* add sql to readable ext mimetype

* fix empty editor formatting gets saved as draft

* add option to use enter for newline

* remove empty msg draft from atom family

* prevent msg ctx menu from open on text selection

package.json

@@ -66,9 +66,9 @@
     "react-modal": "3.16.1",
     "react-range": "1.8.14",
     "sanitize-html": "2.8.0",
-    "slate": "0.90.0",
+    "slate": "0.94.1",
     "slate-history": "0.93.0",
-    "slate-react": "0.90.0",
+    "slate-react": "0.98.4",
     "tippy.js": "6.3.7",
     "twemoji": "14.0.2",
     "ua-parser-js": "1.0.35"