Fixes some Clippy remarks.

gamenight-cli/src/flows/main.rs

@@ -15,11 +15,17 @@ impl Main {
         main_menu.menu.push(Box::new(Exit::new()));
         Self {
             login: Box::new(Login::new()),
-            main_menu: main_menu
+            main_menu
         }
     }
 }
 
+impl Default for Main {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 #[async_trait]
 impl<'a> Flow<'a> for Main {
     async fn run(&self, state: &'a mut GamenightState) -> FlowResult<'a> {

gamenight-cli/src/flows/mod.rs

@@ -26,6 +26,12 @@ impl GamenightState {
     }
 }
 
+impl Default for GamenightState {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 #[derive(Debug)]
 pub struct FlowError {
     pub error: String
@@ -85,7 +91,7 @@ async fn handle_choice<'a>(choice: &Box<dyn Flow<'a> + Send>, flow: &dyn Flow<'a
 
 async fn handle_choice_option<'a>(choice: &Option<Box<dyn Flow<'a> + Send>>, flow: &dyn Flow<'a>, state: &'a mut GamenightState) -> FlowResult<'a> {
     if let Some(choice) = choice {
-        handle_choice(&choice, flow, state).await
+        handle_choice(choice, flow, state).await
     }
     else {
         Ok((FlowOutcome::Abort, state))