More clippy fixes

src/api/s3/bucket.rs

@@ -305,7 +305,7 @@ fn parse_create_bucket_xml(xml_bytes: &[u8]) -> Option<Option<String>> {
 	let mut ret = None;
 	for item in cbc.children() {
 		if item.has_tag_name("LocationConstraint") {
-			if ret != None {
+			if ret.is_some() {
 				return None;
 			}
 			ret = Some(item.text()?.to_string());

src/api/s3/post_object.rs

@@ -140,7 +140,7 @@ pub async fn handle_post_object(
 		.await?;
 
 	let decoded_policy = BASE64_STANDARD
-		.decode(&policy)
+		.decode(policy)
 		.ok_or_bad_request("Invalid policy")?;
 	let decoded_policy: Policy =
 		serde_json::from_slice(&decoded_policy).ok_or_bad_request("Invalid policy")?;