Add a link to reload the error page on wiki overlay #31376
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Most of the errors encountered in the wiki overlay are about poor network and request timeout. So we may want to reload the current page when an error page is displayed.
At the same time I noticed that when changing the in-game language while we are on the error page, the overlay would stick to
error
page because of the set value ofpath
. In this PR I use a variable to store the path of the last available (request succeeded) page, with which we can bring users back.