Change Details

Bug summary: if the user keeps their mouse down while selecting their language, the language won't actually be selected. step to reproduce: a.) Mouse over "English" b.) click c.) move mouse to desired language, release mouse button. d.) note the dropdown didn't change to the desired language See the following link for a video of the bug: https://commons.wikimedia.org/w/index.php?title=File%3AIn_the_new_Upload_Wizard%2C_language_selection_does_not_work_with_when_keeping_the_mouse_pressed_with_Chrome_63.0.3239.108_on_Linux.webm

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