Fix login by adding default user deleted value

Login broken in commit a048d313bf

src/models/user/mod.rs

@@ -28,9 +28,14 @@ pub struct User {
     #[serde(deserialize_with = "deserialize_discriminator")]
     pub discriminator: u16,
     pub avatar: Option<String>,
+    #[serde(default = "default_deleted")]
     pub deleted: bool,
 }
 
+fn default_deleted() -> bool {
+    false
+}
+
 impl Username for User {
     fn username(&self) -> String {
         if self.discriminator == 0 {