fix: deep copy participant before adding it into the participants list (

#133)

participants list had elements that were sharing mutable lists, now, it
creates a new object for each new participant on the list with this
change.

It's related to this issue:
bazelbuild/starlark#192 (comment)

it's should fix:
ethpandaops/ethereum-package#227

package_io/input_parser.star

@@ -94,6 +94,7 @@ def parse_input(input_args):
 					# if the value is set in input we set it in participant
 					new_participant[sub_attr] = sub_value
 				for _ in range(0, new_participant["count"]):
+					participant_copy = deep_copy_participant(new_participant)
 					participants.append(new_participant)
 			result["participants"] = participants
 
@@ -177,6 +178,15 @@ def parse_input(input_args):
 
 	return result
 
+def deep_copy_participant(participant):
+    part = {}
+    for k, v in participant.items():
+        if type(v) == type([]):
+            part[k] = list(v)
+        else:    
+            part[k] = v
+    return part
+
 def get_client_log_level_or_default(participant_log_level, global_log_level, client_log_levels):
 	log_level = participant_log_level
 	if log_level == "":