Avoid to persist patches bigger than the message size limiter

bigbluebutton-client/locale/en_US/bbbResources.properties

bigbluebutton-client/resources/config.xml.template

...g/bigbluebutton/modules/sharednotes/SharedNotesOptions.as

...uebutton/modules/sharednotes/views/SharedNotesWindow.mxml

...arednotes/views/components/SharedNotesRichTextEditor.mxml