fix: make sure to use self.args in with_defaults (#5324)

* fix: make sure to fill in override args in with_defaults

Signed-off-by: Aaron Pham <contact@aarnphm.xyz>

* fix: correctly set args

Signed-off-by: Frost Ming <me@frostming.com>

Author: aarnphm

src/bentoml/_internal/bento/build_config.py

@@ -886,10 +886,10 @@ def __attrs_post_init__(self) -> None:
                         f"{self.docker.cuda_version} is not supported for {self.docker.distro}. Supported cuda versions are: {', '.join(spec.supported_cuda_versions)}."
                     )
 
-            if self.args:
-                # Merge command line args with the ones in the config file
-                # and the command line args take precedence
-                set_arguments(**self.args, **BentoMLContainer.bento_arguments.get())
+        if self.args:
+            # Merge command line args with the ones in the config file
+            # and the command line args take precedence
+            set_arguments(**(self.args | BentoMLContainer.bento_arguments.get()))
 
     def with_defaults(self) -> FilledBentoBuildConfig:
         """
@@ -911,6 +911,7 @@ def with_defaults(self) -> FilledBentoBuildConfig:
             conda=self.conda.with_defaults(),
             models=self.models,
             envs=self.envs,
+            args=self.args,
         )
 
     @property