document db no longer storing complete template information in separate table:

- dropped table templates
- altered table documents: template_id (ref into templates) → template (name of template)
- templates are now picked up by the document registry

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

frontend/src/routes/document/View.svelte

@@ -214,7 +214,7 @@
                     <th>{t('template')}:</th>
                     <td>
                     {#if editable}
-                    <TemplateSelector company={doc.company.id} bind:value={doc.template.id} onchange={() => update('template_id',doc.template.id)} />
+                    <TemplateSelector company={doc.company.id} bind:value={doc.template} onchange={() => update('template_id',doc.template)} />
                     {:else}
                     {doc.template.name}
                     {/if}