EOmaps v7.3.3

Another round of bug-fixes for v7.3.

🌳 New

• MapsGrid objects now have dedicated .show() and .snapshot() methods

🔨 Fixes

• ❗ fix restoring visible layer in interactive backends after using m.savefig()
• ❗ fix issues with InsetMaps in ipympl backend
• fix re-drawing spines with m.set_frame() if corners are not rounded
• fix colorbar should use figure directly instead of relying on plt.gcf
• fix re-fetching backgrounds if colorbars change axes sizes
• fix parsing "maxsize" argument for raster-shape in companion-widget
• fix treatment of weighted colorbar histograms with (out_of_range_vals="masked")