Fix occasional headless issue on Linux when set to "false" (#1199)

* Fix occasional headless issue on Linux when set to "false"

- Add a variable containing the current platform
- Check if the platform is "nt" (Windows) before closing the driver

* Update CHANGELOG.md

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Co-authored-by: ilike2burnthing <59480337+ilike2burnthing@users.noreply.github.com>

src/flaresolverr_service.py

@@ -245,7 +245,8 @@ def _resolve_challenge(req: V1RequestBase, method: str) -> ChallengeResolutionT:
         raise Exception('Error solving the challenge. ' + str(e).replace('\n', '\\n'))
     finally:
         if not req.session and driver is not None:
-            driver.close()
+            if utils.PLATFORM_VERSION == "nt":
+                driver.close()
             driver.quit()
             logging.debug('A used instance of webdriver has been destroyed')