Webatrice: fix login bugs (#4557)

* fix login after failed connection attempts, limit connection attempt time

* fix register hashed password and salt

* add feature detection and Unsupported Browser screen

* nit

Co-authored-by: Jeremy Letto <jeremy.letto@datasite.com>

webclient/src/store/server/server.actions.ts

@@ -18,6 +18,9 @@ export const Actions = {
     type: Types.CONNECTION_CLOSED,
     reason
   }),
+  connectionFailed: () => ({
+    type: Types.CONNECTION_FAILED,
+  }),
   serverMessage: message => ({
     type: Types.SERVER_MESSAGE,
     message

webclient/src/store/server/server.dispatch.ts

@@ -15,6 +15,9 @@ export const Dispatch = {
   connectionClosed: reason => {
     store.dispatch(Actions.connectionClosed(reason));
   },
+  connectionFailed: () => {
+    store.dispatch(Actions.connectionFailed());
+  },
   updateBuddyList: buddyList => {
     store.dispatch(Actions.updateBuddyList(buddyList));
   },

webclient/src/store/server/server.types.ts

@@ -3,6 +3,7 @@ export const Types = {
   LOGIN_SUCCESSFUL: '[Server] Login Successful',
   LOGIN_FAILED: '[Server] Login Failed',
   CONNECTION_CLOSED: '[Server] Connection Closed',
+  CONNECTION_FAILED: '[Server] Connection Failed',
   SERVER_MESSAGE: '[Server] Server Message',
   UPDATE_BUDDY_LIST: '[Server] Update Buddy List',
   ADD_TO_BUDDY_LIST: '[Server] Add to Buddy List',