use existing if_false function

src/database/entities/channel.rs

@@ -103,7 +103,7 @@ pub enum Channel {
         #[serde(default = "HashMap::new", skip_serializing_if = "HashMap::is_empty")]
         role_permissions: HashMap<String, i32>,
 
-        #[serde(skip_serializing_if = "is_false", default)]
+        #[serde(skip_serializing_if = "entities::server::if_false", default)]
         nsfw: bool
     },
 }
@@ -406,6 +406,6 @@ impl Channel {
 }
 
 
-fn is_false(value: &bool) -> bool {
+pub fn is_false(value: &bool) -> bool {
     !value
 }