fix: allow users with a private profile to view their own posts

add: channels/messages models

crates/core/src/model/communities_permissions.rs

@@ -18,6 +18,8 @@ bitflags! {
         const MANAGE_PINS = 1 << 7;
         const MANAGE_COMMUNITY = 1 << 8;
         const MANAGE_QUESTIONS = 1 << 9;
+        const MANAGE_CHANNELS = 1 << 10;
+        const MANAGE_MESSAGES = 1 << 11;
 
         const _ = !0;
     }