Automatically marking posts created in an NSFW community as NSFW. (#5310)

* Automatically marking posts created in an NSFW community as NSFW.

- Context: https://github.com/LemmyNet/lemmy-ui/issues/2885

* Update crates/api_crud/src/post/create.rs

Co-authored-by: Nutomic <me@nutomic.com>

---------

Co-authored-by: Nutomic <me@nutomic.com>

crates/api_crud/src/post/create.rs

@@ -86,6 +86,9 @@ pub async fn create_post(
   let community = Community::read(&mut context.pool(), data.community_id).await?;
   check_community_user_action(&local_user_view.person, &community, &mut context.pool()).await?;
 
+  // If its an NSFW community, then use that as a default
+  let nsfw = data.nsfw.or(Some(community.nsfw));
+
   if community.posting_restricted_to_mods {
     let community_id = data.community_id;
     CommunityModeratorView::check_is_community_moderator(
@@ -110,7 +113,7 @@ pub async fn create_post(
     url,
     body,
     alt_text: data.alt_text.clone(),
-    nsfw: data.nsfw,
+    nsfw,
     language_id: Some(language_id),
     scheduled_publish_time,
     ..PostInsertForm::new(