Prevent unhandled errors when the component redraws after unmounting #42
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When the map component unmounts, it is possible for the
redraw()method to be called when there is no longer a map element. For example:This PR is a trivial change that checks for
map._mapPaneexisting before callingmap._getMapPanePos()which triggers the unhandled exception.Both the
src/andlib/versions have been updated, the patch version has been bumped, linting passes except for in theexample/directory where it was already failing, the code is tested and working, and I certify that the terms set out under "Developer's Certificate of Origin 1.1" are met by this contribution.