adjustments to dovecot-sql config template; correct enctype for form

Signed-off-by: Michael Kaufmann <d00p@froxlor.org>

templates/Froxlor/form/form.html.twig

@@ -2,7 +2,7 @@
 
 	{% import "Froxlor/form/formfields.html.twig" as formfields %}
 
-	<form action="{{ formaction|default("") }}" method="post" enctype="application/x-www-form-urlencoded" class="form">
+	<form action="{{ formaction|default("") }}" method="post" enctype="multipart/form-data" class="form">
 		{% for sid,section in form_data.sections %}
 			{% if section.visible is not defined or (section.visible is defined and section.visible == true) %}
 			<div class="card mb-3" id="{{ idprefix }}{{ sid }}">