v1.31.1

Fixed

• Fix IE and Edge SVG toImage support [#2068]
• Return empty set during selections of visible: false traces [#2081]
• Fix scroll glitch in table traces [#2064]
• Fix handling of 1D header values in table [#2072]
• Fix table line style defaults [#2074]
• Do not attempt to start drag on right-click [#2087]
• Phase out alignment-baseline attributes in SVG text nodes [#2076]
• Listen to document events on drag instead of relying on cover-slip node [#2075]