User directory: Display "Search in progress..." instead of "No results" when we are searching
User directory: Display "Search in progress..." instead of "No results" when we are searching

vector-im/riot-ios,vector-im/riot-ios,vector-im/riot-ios,vector-im/riot-ios,vector-im/vector-ios,vector-im/riot-ios,vector-im/vector-ios,vector-im/vector-ios,vector-im/riot-ios