Multi-line ptable_scatter_plotly (#260)

* add keyword hide_f_block: bool | 'auto' to ptable_hists_plotly and ptable_scatter_plotly

- add y_axis_kwargs to ptable_hists_plotly for customizing y-axis
- add handling of empty row 7 to moving later rows up in periodic table plots
- move axis tick inside for better layout/less overlap with neighbor subplots

* ptable_scatter_plotly support multiple lines per element

- introduce ElemData type alias for readability
- update data parameter to accept both single and multiple lines per element.
- enhance hover text formatting to include line names for multi-line plots
- add logic to manage color assignments for multiple lines and improved legend handling
- update tests to cover new multi-line functionality and various input scenarios, including empty data and mixed types

* fix test

* fix     if color_vals and hasattr(color_vals, "__iter__"):
ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()