cache path cwd (#5948)

* cache path cwd

* use get cwd for maximum perf

Author: adhami3310

reflex/utils/prerequisites.py

@@ -12,6 +12,7 @@
 import sys
 import typing
 from datetime import datetime
+from os import getcwd
 from pathlib import Path
 from types import ModuleType
 from typing import NamedTuple
@@ -189,7 +190,7 @@ def get_app(reload: bool = False) -> ModuleType:
             _check_app_name(config)
 
         module = config.module
-        sys.path.insert(0, str(Path.cwd()))
+        sys.path.insert(0, getcwd())  # noqa: PTH109
         app = (
             __import__(module, fromlist=(constants.CompileVars.APP,))
             if not config.app_module