fix: harmonize some error messages

Author: b-ma

src/node/audio_buffer_source.rs

@@ -257,7 +257,7 @@ impl AudioBufferSourceNode {
         assert_valid_time_value(duration);
         assert!(
             !self.source_started,
-            "InvalidStateError: Cannot call `start` twice"
+            "InvalidStateError - Cannot call `start` twice"
         );
 
         self.source_started = true;

src/node/delay.rs

@@ -131,13 +131,13 @@ impl AudioNode for DelayNode {
         input: usize,
     ) -> &'a dyn AudioNode {
         if self.context() != dest.context() {
-            panic!("InvalidAccessError: Attempting to connect nodes from different contexts");
+            panic!("InvalidAccessError - Attempting to connect nodes from different contexts");
         }
         if self.number_of_outputs() <= output {
-            panic!("IndexSizeError: output port {} is out of bounds", output);
+            panic!("IndexSizeError - output port {} is out of bounds", output);
         }
         if dest.number_of_inputs() <= input {
-            panic!("IndexSizeError: input port {} is out of bounds", input);
+            panic!("IndexSizeError - input port {} is out of bounds", input);
         }
 
         self.context().connect(

src/node/mod.rs

@@ -268,13 +268,13 @@ pub trait AudioNode {
         input: usize,
     ) -> &'a dyn AudioNode {
         if self.context() != dest.context() {
-            panic!("InvalidAccessError: Attempting to connect nodes from different contexts");
+            panic!("InvalidAccessError - Attempting to connect nodes from different contexts");
         }
         if self.number_of_outputs() <= output {
-            panic!("IndexSizeError: output port {} is out of bounds", output);
+            panic!("IndexSizeError - output port {} is out of bounds", output);
         }
         if dest.number_of_inputs() <= input {
-            panic!("IndexSizeError: input port {} is out of bounds", input);
+            panic!("IndexSizeError - input port {} is out of bounds", input);
         }
 
         self.context().connect(