deps(chore): bump lib-jitsi-meet to e398584 (#3958)

Bring over two fixes for spot. One is for
identifying the screenshare type when using
a camera for screenshare or when using a proxy
stream. Also bring in a fix to avoid a js error
in chrome ios.

package-lock.json

       }
     },
     "lib-jitsi-meet": {
-      "version": "github:jitsi/lib-jitsi-meet#320919ecfabae0950416dacdda4ef22bd0182a95",
-      "from": "github:jitsi/lib-jitsi-meet#320919ecfabae0950416dacdda4ef22bd0182a95",
+      "version": "github:jitsi/lib-jitsi-meet#e39858418724c59bfef8b4e1ba16bb11f36abdc0",
+      "from": "github:jitsi/lib-jitsi-meet#e39858418724c59bfef8b4e1ba16bb11f36abdc0",
       "requires": {
         "@jitsi/sdp-interop": "0.1.13",
         "@jitsi/sdp-simulcast": "0.2.1",

package.json

     "jsc-android": "224109.1.0",
     "jsrsasign": "8.0.12",
     "jwt-decode": "2.2.0",
-    "lib-jitsi-meet": "github:jitsi/lib-jitsi-meet#320919ecfabae0950416dacdda4ef22bd0182a95",
+    "lib-jitsi-meet": "github:jitsi/lib-jitsi-meet#e39858418724c59bfef8b4e1ba16bb11f36abdc0",
     "libflacjs": "github:mmig/libflac.js#93d37e7f811f01cf7d8b6a603e38bd3c3810907d",
     "lodash": "4.17.11",
     "moment": "2.19.4",