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(cherry picked from commit 175bac4b)

Don't unset post vars before building block config form; it's no longer necessary & breaks ac search

we can no longer compare int and text fields without an explicit cast.
this should maybe be ported to stable.

This also makes sure that users accessing the View by a token can only submit feedback.

This should prevent a lot of spam.
(cherry picked from commit b4990ea6)

Conflicts:

	htdocs/theme/raw/templates/view/view.tpl
	htdocs/view/view.php

When importing entries as blogpost entries, look at their content type and convert it to HTML if necessary.