Added user_id in RAG init class

[mogith-pn]

Why

• User_id is not passed in the RAG init class, which is causing issue when uploading documents using RAG object inside ORG apps.
• This is for rag-chatbot module going to demo for airbus.

How

• Passed user_id in the init class

Tests

Notes

[github-actions]

Package	Line Rate	Health
clarifai	43%	❌
clarifai.cli	65%	➖
clarifai.client	68%	➖
clarifai.client.auth	69%	➖
clarifai.constants	100%	✔
clarifai.datasets	100%	✔
clarifai.datasets.export	80%	✔
clarifai.datasets.upload	75%	➖
clarifai.datasets.upload.loaders	37%	❌
clarifai.models	100%	✔
clarifai.modules	0%	❌
clarifai.rag	72%	➖
clarifai.runners	9%	❌
clarifai.runners.models	17%	❌
clarifai.runners.utils	56%	➖
clarifai.schema	100%	✔
clarifai.urls	80%	✔
clarifai.utils	77%	➖
clarifai.utils.evaluation	67%	➖
clarifai.workflows	94%	✔
Summary	61% (3846 / 6355)	➖

Minimum allowed line rate is 50%