fix: duplicate action slash (#1536)

Author: lukasvinclav

src/unfold/admin.py

@@ -135,7 +135,7 @@ def wrapper(*args, **kwargs):
 
         actions_list_urls = [
             path(
-                action.path,
+                f"{action.path.removesuffix('/')}/",
                 wrap(action.method),
                 name=action.action_name,
             )
@@ -144,7 +144,7 @@ def wrapper(*args, **kwargs):
 
         action_detail_urls = [
             path(
-                f"<path:object_id>/{action.path}",
+                f"<path:object_id>/{action.path.removesuffix('/')}/",
                 wrap(action.method),
                 name=action.action_name,
             )
@@ -153,7 +153,7 @@ def wrapper(*args, **kwargs):
 
         action_row_urls = [
             path(
-                f"<path:object_id>/{action.path}",
+                f"<path:object_id>/{action.path.removesuffix('/')}/",
                 wrap(action.method),
                 name=action.action_name,
             )