PLT-7130 adding more generic push notificaiton message. (#7044)

* PLT-7130 adding more generic push notificaiton message.

* Fixing strings

webapp/components/admin_console/push_settings.jsx

@@ -207,7 +207,8 @@ export default class PushSettings extends AdminSettings {
                 <DropdownSetting
                     id='pushNotificationContents'
                     values={[
-                        {value: 'generic', text: Utils.localizeMessage('admin.email.genericPushNotification', 'Send generic description with user and channel names')},
+                        {value: 'generic_no_channel', text: Utils.localizeMessage('admin.email.genericNoChannelPushNotification', '"Send generic description with only sender name')},
+                        {value: 'generic', text: Utils.localizeMessage('admin.email.genericPushNotification', 'Send generic description with sender and channel names')},
                         {value: 'full', text: Utils.localizeMessage('admin.email.fullPushNotification', 'Send full message snippet')}
                     ]}
                     label={
@@ -222,8 +223,7 @@ export default class PushSettings extends AdminSettings {
                     helpText={
                         <FormattedHTMLMessage
                             id='admin.email.pushContentDesc'
-                            defaultMessage='Selecting "Send generic description with user and channel names" provides push notifications with generic messages, including names of users and channels but no specific details from the message text.<br /><br />
-                            Selecting "Send full message snippet" sends excerpts from messages triggering notifications with specifics and may include confidential information sent in messages. If your Push Notification Service is outside your firewall, it is HIGHLY RECOMMENDED this option only be used with an "https" protocol to encrypt the connection.'
+                            defaultMessage='"Send generic description with only sender name" includes only the name of the person who sent the message in push notifications, with no information about channel name or message contents.<br /><br />"Send generic description with sender and channel names" includes the name of the person who sent the message and the channel it was sent in, but not the message text.<br /><br />"Send full message snippet" includes a message excerpt in push notifications, which may contain confidential information sent in messages. If your Push Notification Service is outside your firewall, it is *highly recommended* this option only be used with an "https" protocol to encrypt the connection.'
                         />
                     }
                 />