Run clippy fix

src/database/daily_summary_dao.rs

@@ -98,7 +98,7 @@ impl SqliteDailySummaryDao {
     }
 
     fn deserialize_vector(bytes: &[u8]) -> Result<Vec<f32>, DbError> {
-        if bytes.len() % 4 != 0 {
+        if !bytes.len().is_multiple_of(4) {
             return Err(DbError::new(DbErrorKind::QueryError));
         }
 
@@ -448,7 +448,7 @@ impl DailySummaryDao for SqliteDailySummaryDao {
             .bind::<diesel::sql_types::Text, _>(contact)
             .get_result::<CountResult>(conn.deref_mut())
             .map(|r| r.count)
-            .map_err(|e| anyhow::anyhow!("Count query error: {:?}", e).into())
+            .map_err(|e| anyhow::anyhow!("Count query error: {:?}", e))
         })
         .map_err(|_| DbError::new(DbErrorKind::QueryError))
     }