chore: ensure restrict_reactions is used in conjunction with reactions list

crates/quark/src/models/channels/message.rs

@@ -98,6 +98,8 @@ pub struct Interactions {
     #[serde(skip_serializing_if = "Option::is_none", default)]
     pub reactions: Option<IndexSet<String>>,
     /// Whether reactions should be restricted to the given list
+    ///
+    /// Can only be set to true if reactions list is of at least length 1
     #[serde(skip_serializing_if = "if_false", default)]
     pub restrict_reactions: bool,
 }