Style and Clippy fixes.

src/dynamic_data/models/pokemon_party.rs

@@ -93,11 +93,9 @@ impl PokemonParty {
 
     /// Checks if the party contains a given pokemon.
     pub fn has_pokemon(&self, pokemon: &Pokemon) -> bool {
-        for p in &self.pokemon {
-            if let Some(p) = p {
-                if std::ptr::eq(p.as_ref(), pokemon) {
-                    return true;
-                }
+        for p in self.pokemon.iter().flatten() {
+            if std::ptr::eq(p.as_ref(), pokemon) {
+                return true;
             }
         }
         false