The given excerpts do not detail how Nicolette found her mother's secret workshop, and without the specific context, it is impossible to provide an accurate response.
The provided text does not include a direct mention of a character named Nicolette nor explicitly detail how she found her mother's secret workshop. Thus, based on the information given, it is impossible to accurately describe how Nicolette found the workshop. The scenarios described in the text snippets are from miscellaneous stories, none of which provide specific details related to Nicolette's discovery. To give a precise response, access to the particular story in which Nicolette's search takes place is necessary. Without such context or a specified narrative, any answer would be speculative and unsupported by the provided references.