test: Use correct boolean value for 'checked' attribute

This fix is for clarity, even though it sorta works as a string.

Closes #1247
Reviewed-by: Marius Vollmer <marius.vollmer@redhat.com>
shell: Fix storage dialog so 'change' event triggers update

This happens when pasting information, for instance.

Closes #1244
Reviewed-by: Marius Vollmer <marius.vollmer@redhat.com>
test: Set LUKS size correctly in storage test

Closes #1245
Reviewed-by: Marius Vollmer <marius.vollmer@redhat.com>
shell: Fix invalid HTML end tags

This isn't XML and tags must either have a full end tag or no end
tag to be valid. Fixed some missing HTML end tags.

Closes #1246
Reviewed-by: Marius Vollmer <marius.vollmer@redhat.com>