fix(powermonitor): Fix crash due to non-initialized postis channel

Author: horymury

powermonitor/render.js

@@ -49,8 +49,8 @@ function _sendEvent(event) {
  */
 function _sendMessage(message) {
     _channel.send({
-        method: 'message',
-        params: message
+          method: 'message',
+          params: message
     });
 }
 
@@ -89,6 +89,8 @@ module.exports = function setupPowerMonitorRender(api) {
             scope: 'jitsi-power-monitor'
         });
         _channel.ready(() => {
+            ipcRenderer.on(POWER_MONITOR_QUERIES_CHANNEL, queriesChannelListener);
+            ipcRenderer.on(POWER_MONITOR_EVENTS_CHANNEL, eventsChannelListener);
             _channel.listen('message', message => {
                 const { name } = message.data;
                 if(name === POWER_MONITOR_MESSAGE_NAME) {
@@ -97,7 +99,4 @@ module.exports = function setupPowerMonitorRender(api) {
             });
         });
     });
-
-    ipcRenderer.on(POWER_MONITOR_QUERIES_CHANNEL, queriesChannelListener);
-    ipcRenderer.on(POWER_MONITOR_EVENTS_CHANNEL, eventsChannelListener);
 };