use existing if_false function

src/database/entities/server.rs

@@ -37,8 +37,8 @@ pub type PermissionTuple = (
     i32  // channel permission
 );
 
-fn if_false(t: &bool) -> bool {
-    *t == false
+pub fn if_false(t: &bool) -> bool {
+    !t
 }
 
 #[derive(Serialize, Deserialize, Debug, Clone)]
@@ -108,7 +108,7 @@ pub struct Server {
     #[serde(skip_serializing_if = "Option::is_none")]
     pub banner: Option<File>,
 
-    #[serde(skip_serializing_if = "is_false", default)]
+    #[serde(skip_serializing_if = "if_false", default)]
     pub nsfw: bool
 }