Disable spellcheck in search field

Users probably do not want spelling correction for class or method names
Remove aria-live from search box

This prevents the reading of search items by VoiceOver which is super
annoying.
Update the search field with the selected item for

This improves the accessibility of the search field.  While the full
text of the selected item is not read (including class and output
snippet) it is an improvement over the previous behavior of reading
everything.
Add Techvision's accessibility review to History