Added New Env variable for Unpublished queries

[adithyapathipaka]

What type of PR is this?

• [ ] Refactor
• [X] Feature
• [ ] Bug Fix
• [ ] New Query Runner (Data Source)
• [ ] New Alert Destination
• [ ] Other

Description

Added new Env Variable REDASH_FEATURE_VIEW_UNPUBLISH_QUERIES and updated include_drafts param to get value from REDASH_FEATURE_VIEW_UNPUBLISH_QUERIES

1. Application shows all the unpublished queries from other users on the UI by default, which is due to Hard coded value with True for the include_draft param.
2. Added new Env Variable REDASH_FEATURE_VIEW_UNPUBLISH_QUERIES (boolean) through which application can be configured to view unpublished queries
3. By Default REDASH_FEATURE_VIEW_UNPUBLISH_QUERIES will be true and can be configure through to false by adding the variable to env file.

How is this tested?

• [ ] Unit tests (pytest, jest)
• [ ] E2E Tests (Cypress)
• [ ] Manually
• [ ] N/A

Related Tickets & Documents

Mobile & Desktop Screenshots/Recordings (if there are UI changes)