Razor EA changes to better support the dataTipRange LSP message in cohosting#81033

ToddGrun merged 2 commits intodotnet:maindotnet/roslyn:mainfrom

ToddGrun:dev/toddgrun/PortDataTipRangeHandlerToCohostingToddGrun/roslyn:dev/toddgrun/PortDataTipRangeHandlerToCohostingCopy head branch name to clipboard