[FIX][ENH][UI] Structures : Fix primary structure monitoring, use form with ticket instead of smarty_block_self_link and align structure admin options correctly

Ticket: https://avan.tech/item102458

Description:

• For [FIX]:

In edition mode: example.org/tiki-edit_structure.php?page_ref_id=ID, when we click on the monitoring icon, we are sent to a page: No route found. Please see http://dev.tiki.org/URL+Rewriting+Revamp

• For [ENH]:

Like here !3066 (diffs), use a form with security ticket instead of smarty_block_self_link

• For [UI]:

Now we see this in the interface:

After modification: