Fix clippy::single_range_in_vec_init lint

src/consensus/zmq_driver.rs

@@ -44,7 +44,7 @@ const MAX_RETRY_DELAY: Duration = Duration::from_secs(3);
 fn generate_correlation_id() -> String {
     const LENGTH: usize = 16;
     let mut rng = rand::thread_rng();
-    [0..LENGTH]
+    [0; LENGTH]
         .iter()
         .map(|_| rng.sample(Alphanumeric))
         .map(char::from)

src/consensus/zmq_service.rs

@@ -34,7 +34,7 @@ use std::time::Duration;
 fn generate_correlation_id() -> String {
     const LENGTH: usize = 16;
     let mut rng = rand::thread_rng();
-    [0..LENGTH]
+    [0; LENGTH]
         .iter()
         .map(|_| rng.sample(Alphanumeric))
         .map(char::from)

src/processor/mod.rs

@@ -56,7 +56,7 @@ use self::zmq_context::ZmqTransactionContext;
 fn generate_correlation_id() -> String {
     const LENGTH: usize = 16;
     let mut rng = rand::thread_rng();
-    [0..LENGTH]
+    [0; LENGTH]
         .iter()
         .map(|_| rng.sample(Alphanumeric))
         .map(char::from)