Poll WIP (#231):

* backend save WIP
* various fixes

conversejs/custom/plugins/poll/components/poll-form-view.js

@@ -72,6 +72,7 @@ export default class MUCPollFormView extends CustomElement {
 
       const iq = $iq({
         type: 'set',
+        to: this.model.get('jid'),
         id: u.getUniqueId()
       }).c('query', { xmlns: XMLNS_POLL })
 
@@ -83,9 +84,19 @@ export default class MUCPollFormView extends CustomElement {
       await api.sendIQ(iq)
 
       if (this.modal) {
-        this.modal.hide()
+        this.modal.onHide()
       }
     } catch (err) {
+      if (u.isErrorStanza(err)) {
+        // Checking if there is a text error that we can show to the user.
+        if (sizzle('error bad-request', err).length) {
+          const text = sizzle('error text', err)
+          if (text.length) {
+            this.alert_message = __('Error') + ': ' + text[0].textContent
+            return
+          }
+        }
+      }
       console.error(err)
       this.alert_message = __('Error')
     }

conversejs/custom/plugins/poll/templates/poll-form.js

@@ -20,13 +20,9 @@ export function tplPollForm (el) {
 
             ${el.form_fields}
 
-            ${
-              el.modal
-                ? html`` // no need for submit button, the modal will have one in the footer
-                : html`<fieldset class="buttons form-group">
-                    <input type="submit" class="btn btn-primary" value="${i18nOk}" />
-                  </fieldset>`
-            }
+            <fieldset class="buttons form-group">
+              <input type="submit" class="btn btn-primary" value="${i18nOk}" />
+            </fieldset>
           </form>`
         : ''
     }`