Make dialog to add existing rooms to space

Signed-off-by: Ajay Bura <ajbura@gmail.com>

src/client/action/navigation.js

@@ -38,6 +38,13 @@ export function openSpaceManage(roomId) {
   });
 }
 
+export function openSpaceAddExisting(roomId) {
+  appDispatcher.dispatch({
+    type: cons.actions.navigation.OPEN_SPACE_ADDEXISTING,
+    roomId,
+  });
+}
+
 export function toggleRoomSettings(tabText) {
   appDispatcher.dispatch({
     type: cons.actions.navigation.TOGGLE_ROOM_SETTINGS,

src/client/state/cons.js

@@ -32,6 +32,7 @@ const cons = {
       SELECT_ROOM: 'SELECT_ROOM',
       OPEN_SPACE_SETTINGS: 'OPEN_SPACE_SETTINGS',
       OPEN_SPACE_MANAGE: 'OPEN_SPACE_MANAGE',
+      OPEN_SPACE_ADDEXISTING: 'OPEN_SPACE_ADDEXISTING',
       TOGGLE_ROOM_SETTINGS: 'TOGGLE_ROOM_SETTINGS',
       OPEN_INVITE_LIST: 'OPEN_INVITE_LIST',
       OPEN_PUBLIC_ROOMS: 'OPEN_PUBLIC_ROOMS',
@@ -71,6 +72,7 @@ const cons = {
       ROOM_SELECTED: 'ROOM_SELECTED',
       SPACE_SETTINGS_OPENED: 'SPACE_SETTINGS_OPENED',
       SPACE_MANAGE_OPENED: 'SPACE_MANAGE_OPENED',
+      SPACE_ADDEXISTING_OPENED: 'SPACE_ADDEXISTING_OPENED',
       ROOM_SETTINGS_TOGGLED: 'ROOM_SETTINGS_TOGGLED',
       INVITE_LIST_OPENED: 'INVITE_LIST_OPENED',
       PUBLIC_ROOMS_OPENED: 'PUBLIC_ROOMS_OPENED',

src/client/state/navigation.js

@@ -95,6 +95,9 @@ class Navigation extends EventEmitter {
       [cons.actions.navigation.OPEN_SPACE_MANAGE]: () => {
         this.emit(cons.events.navigation.SPACE_MANAGE_OPENED, action.roomId);
       },
+      [cons.actions.navigation.OPEN_SPACE_ADDEXISTING]: () => {
+        this.emit(cons.events.navigation.SPACE_ADDEXISTING_OPENED, action.roomId);
+      },
       [cons.actions.navigation.TOGGLE_ROOM_SETTINGS]: () => {
         this.isRoomSettings = !this.isRoomSettings;
         this.emit(