Update profile picture format message (#6049)

webapp/components/setting_picture.jsx

@@ -112,7 +112,7 @@ export default class SettingPicture extends React.Component {
         var helpText = (
             <FormattedMessage
                 id='setting_picture.help'
-                defaultMessage='Upload a profile picture in either JPG or PNG format, at least {width}px in width and {height}px height.'
+                defaultMessage='Upload a profile picture in BMP, JPG, JPEG or PNG format, at least {width}px in width and {height}px height.'
                 values={{
                     width: global.window.mm_config.ProfileWidth,
                     height: global.window.mm_config.ProfileHeight

webapp/i18n/en.json

@@ -1891,7 +1891,7 @@
   "setting_item_max.save": "Save",
   "setting_item_min.edit": "Edit",
   "setting_picture.cancel": "Cancel",
-  "setting_picture.help": "Upload a profile picture in either JPG or PNG format, at least {width}px in width and {height}px height.",
+  "setting_picture.help": "Upload a profile picture in BMP, JPG, JPEG or PNG format, at least {width}px in width and {height}px height.",
   "setting_picture.save": "Save",
   "setting_picture.select": "Select",
   "setting_upload.import": "Import",