Added keybindings for commandbar (#3854)

Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>

app/javascript/dashboard/components/widgets/conversation/ReplyBox.vue

@@ -100,6 +100,7 @@ import {
   isEscape,
   isEnter,
   hasPressedShift,
+  hasPressedCommandPlusKKey,
 } from 'shared/helpers/KeyboardHelpers';
 import { MESSAGE_MAX_LENGTH } from 'shared/helpers/MessageTypeHelper';
 import inboxMixin from 'shared/mixins/inboxMixin';
@@ -360,8 +361,14 @@ export default {
           e.preventDefault();
           this.sendMessage();
         }
+      } else if (hasPressedCommandPlusKKey(e)) {
+        this.openCommandBar();
       }
     },
+    openCommandBar() {
+      const ninja = document.querySelector('ninja-keys');
+      ninja.open();
+    },
     toggleEnterToSend(enterToSendEnabled) {
       this.updateUISettings({ enter_to_send_enabled: enterToSendEnabled });
     },