[MOV] website_slides: keep files well organized

Oversight of 9b38bcec12

PR #36703

addons/website_slides/models/slide_channel.py

@@ -303,9 +303,6 @@ class Channel(models.Model):
                 base_url = channel.get_base_url()
                 channel.website_url = '%s/slides/%s' % (base_url, slug(channel))
 
-    def get_backend_menu_id(self):
-        return self.env.ref('website_slides.website_slides_menu_root').id
-
     def _compute_action_rights(self):
         user_karma = self.env.user.karma
         for channel in self:
@@ -566,3 +563,6 @@ class Channel(models.Model):
             slide.write({
                 'sequence': self.env['slide.slide'].browse(ids_to_resequence[-1]).sequence + 1
             })
+
+    def get_backend_menu_id(self):
+        return self.env.ref('website_slides.website_slides_menu_root').id

addons/website_slides/models/slide_slide.py

@@ -362,9 +362,6 @@ class Slide(models.Model):
                     url = '%s/slides/slide/%s' % (base_url, slug(slide))
                 slide.website_url = url
 
-    def get_backend_menu_id(self):
-        return self.env.ref('website_slides.website_slides_menu_root').id
-
     @api.depends('channel_id.can_publish')
     def _compute_can_publish(self):
         for record in self:
@@ -806,3 +803,10 @@ class Slide(models.Model):
         res['default_opengraph']['og:image'] = res['default_twitter']['twitter:image'] = self.env['website'].image_url(self, 'image_1024')
         res['default_meta_description'] = self.description
         return res
+
+    # ---------------------------------------------------------
+    # Data / Misc
+    # ---------------------------------------------------------
+
+    def get_backend_menu_id(self):
+        return self.env.ref('website_slides.website_slides_menu_root').id