cubicweb-vcreview #5304527 hide task title from inline creation form [open]

setting task's title from a patch view is painful. most of the times, the useful information is in the task description and 64 characters.

we could hide the field from the inline form and set the task's title to the patch title. we could also make this attribute not mandatory.

done in<not specified>
load left0.500
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