fix: Fix PlaywrightCrawler unintentionally setting the global configuration (#1747)

### Description

- Remove unintentional side-effect: When a custom configuration was
passed to the `PlaywrightCrawler`, it tried to set it in the global
`service_locator`

### Testing

- Updated unit test

### Checklist

- [ ] CI passed

Author: Pijukatel

src/crawlee/crawlers/_playwright/_playwright_crawler.py

@@ -12,7 +12,6 @@
 from pydantic import ValidationError
 from typing_extensions import NotRequired, TypedDict, TypeVar
 
-from crawlee import service_locator
 from crawlee._request import Request, RequestOptions, RequestState
 from crawlee._types import BasicCrawlingContext, ConcurrencySettings
 from crawlee._utils.blocked import RETRY_CSS_SELECTORS
@@ -145,10 +144,6 @@ def __init__(
                 not supported, use `navigation_timeout` instead.
             kwargs: Additional keyword arguments to pass to the underlying `BasicCrawler`.
         """
-        configuration = kwargs.pop('configuration', None)
-        if configuration is not None:
-            service_locator.set_configuration(configuration)
-
         self._shared_navigation_timeouts: dict[int, SharedTimeout] = {}
 
         if browser_pool:

tests/unit/crawlers/_playwright/test_playwright_crawler.py

@@ -791,12 +791,15 @@ async def request_handler(context: PlaywrightCrawlingContext) -> None:
     assert check_data['default'] != check_data['send_request']
 
 
-async def test_overwrite_configuration() -> None:
+async def test_passing_configuration() -> None:
     """Check that the configuration is allowed to be passed to the Playwrightcrawler."""
+    service_locator.set_configuration(Configuration(log_level='INFO'))
     configuration = Configuration(log_level='WARNING')
-    PlaywrightCrawler(configuration=configuration)
-    used_configuration = service_locator.get_configuration()
-    assert used_configuration is configuration
+
+    crawler = PlaywrightCrawler(configuration=configuration)
+
+    assert service_locator.get_configuration().log_level == 'INFO'
+    assert crawler._service_locator.get_configuration().log_level == 'WARNING'
 
 
 async def test_extract_links(server_url: URL) -> None: