feat: add default query string for get_all_work_items

Author: micha91

README.md

@@ -27,7 +27,7 @@ client = polarion_api.OpenAPIPolarionProjectClient(
         polarion_access_token="PAT123",
     )
 project_exists = client.project_exists() # Should be True
-work_items = client.get_all_work_items("")
+work_items = client.get_all_work_items()
 ```
 During the initialization of the client you can define additional settings like the page size when getting items or the maximum content size when bulk creating new items.
 In addition, you can define your own Work Item class with custom fields, which become available as attributes on object level instead of being part of the `additional_attributes` dictionary only.
@@ -47,7 +47,7 @@ class CustomWorkItem(polarion_api.WorkItem):
      custom_work_item=CustomWorkItem,
  )
 
-work_items = client.get_all_work_items("") # the returned Work Items will be instances of CustomWorkItem
+work_items = client.get_all_work_items() # the returned Work Items will be instances of CustomWorkItem
 uuid = work_items[0].capella_uuid # the value of the custom field capella_uuid can be accessed this way
 ```
 ## Usage of the autogenerated OpenAPI Client

polarion_rest_api_client/base_client.py

@@ -162,7 +162,7 @@ def get_work_item_attachments(
         raise NotImplementedError
 
     def get_all_work_items(
-        self, query: str, fields: dict[str, str] | None = None
+        self, query: str = "", fields: dict[str, str] | None = None
     ) -> list[WorkItemType]:
         """Get all work items matching the given query.
 

polarion_rest_api_client/client.py

@@ -521,7 +521,7 @@ def create_work_item_attachments(
 
     def get_work_items(
         self,
-        query: str,
+        query: str = "",
         fields: dict[str, str] | None = None,
         page_size: int = 100,
         page_number: int = 1,