[Fireworks] Update model name for Fireworks (#753)

# What does this PR do?

Fix https://github.com/meta-llama/llama-stack/issues/697


## Test Plan
Run the 405b model. the full `accounts/fireworks/models/<model_id>` is
the full model name for Fireworks, the 'fireworks/<model_id>' is just a
short hand and sometimes have routing issues

## Sources

Please link relevant resources if necessary.


## Before submitting

- [ ] This PR fixes a typo or improves the docs (you can dismiss the
other checks if that's the case).
- [ ] Ran pre-commit to handle lint / formatting issues.
- [ ] Read the [contributor
guideline](https://github.com/meta-llama/llama-stack/blob/main/CONTRIBUTING.md),
      Pull Request section?
- [ ] Updated relevant documentation.
- [ ] Wrote necessary unit or integration tests.

llama_stack/providers/remote/inference/fireworks/fireworks.py

@@ -53,43 +53,43 @@ from .config import FireworksImplConfig
 
 MODEL_ALIASES = [
     build_model_alias(
-        "fireworks/llama-v3p1-8b-instruct",
+        "accounts/fireworks/models/llama-v3p1-8b-instruct",
         CoreModelId.llama3_1_8b_instruct.value,
     ),
     build_model_alias(
-        "fireworks/llama-v3p1-70b-instruct",
+        "accounts/fireworks/models/llama-v3p1-70b-instruct",
         CoreModelId.llama3_1_70b_instruct.value,
     ),
     build_model_alias(
-        "fireworks/llama-v3p1-405b-instruct",
+        "accounts/fireworks/models/llama-v3p1-405b-instruct",
         CoreModelId.llama3_1_405b_instruct.value,
     ),
     build_model_alias(
-        "fireworks/llama-v3p2-1b-instruct",
+        "accounts/fireworks/models/llama-v3p2-1b-instruct",
         CoreModelId.llama3_2_1b_instruct.value,
     ),
     build_model_alias(
-        "fireworks/llama-v3p2-3b-instruct",
+        "accounts/fireworks/models/llama-v3p2-3b-instruct",
         CoreModelId.llama3_2_3b_instruct.value,
     ),
     build_model_alias(
-        "fireworks/llama-v3p2-11b-vision-instruct",
+        "accounts/fireworks/models/llama-v3p2-11b-vision-instruct",
         CoreModelId.llama3_2_11b_vision_instruct.value,
     ),
     build_model_alias(
-        "fireworks/llama-v3p2-90b-vision-instruct",
+        "accounts/fireworks/models/llama-v3p2-90b-vision-instruct",
         CoreModelId.llama3_2_90b_vision_instruct.value,
     ),
     build_model_alias(
-        "fireworks/llama-v3p3-70b-instruct",
+        "accounts/fireworks/models/llama-v3p3-70b-instruct",
         CoreModelId.llama3_3_70b_instruct.value,
     ),
     build_model_alias(
-        "fireworks/llama-guard-3-8b",
+        "accounts/fireworks/models/llama-guard-3-8b",
         CoreModelId.llama_guard_3_8b.value,
     ),
     build_model_alias(
-        "fireworks/llama-guard-3-11b-vision",
+        "accounts/fireworks/models/llama-guard-3-11b-vision",
         CoreModelId.llama_guard_3_11b_vision.value,
     ),
 ]