[FIX] web_chatter_position: Fixes bug where incompatible apps crash #2595
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In some (new) apps, the query selector
querySelector('.o_form_sheet_bg')
inweb_chatter_position
will not return anything. This causes a crash when you try to open the app in question.You can replicate this by installing both the new 'Knowledge' app, as well as
web_chatter_position
, and trying to open the former when the current user's preferences have been set to chatter position 'bottom'.Odoo avoids this problem by exiting early without a chatter if there no
sheet-bg
. This PR implements the exact same solution. See the Odoo source here.