Top Posters in statistics view should follow lexicon patterns

• Type: Technical Task
• Status: Closed
• Resolution: Completed
• Affects Version/s: None
• Fix Version/s: Master
• Component/s: Collaboration, Message Boards
• Labels: None
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/40819

Statistics view has a Top Posters information. We should apply Lexicon patterns to that Top Posters view.