initializing semantic kerel as a singleton

Author: Dongbumlee

src/ContentProcessor/src/libs/base/application_main.py

@@ -36,6 +36,7 @@ def __init__(self, env_file_path: str | None = None, **data):
         # Set App Context object
         self.application_context = AppContext()
         self.application_context.set_configuration(AppConfiguration())
+        self.application_context.set_kernel()
 
         if self.application_context.configuration.app_logging_enable:
             # Read Configuration for Logging Level as a Text then retrive the logging level