Add ability to use model alias names on dbt docs site

[michaelkahan]

This request is to add the ability to make sure the name on the docs site will always match the name of the deployed model, even if using an alias.

Example Scenario:

• We have a file name for a model in our dbt project called stg_model_1.sql/yml .
• We use an alias so that it deploys to our Snowflake environment as just model_1.
• However, on the dbt docs site it will still display as stg_model_1.

As a result, the name of the deployed model will not match what is shown on the dbt docs website. This could potentially be confusing for end users.

[github-actions]

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