fix: Set DatabricksConnectionConfig to only use a shared_connection with U2M OAuth#5859

StuffbyYuki merged 10 commits into

SQLMesh:mainSQLMesh/sqlmesh:mainfrom

davem-bis:feature/DRM/revert-to-shared-connection-for-databricks-access-token-connectionsdavem-bis/sqlmesh:feature/DRM/revert-to-shared-connection-for-databricks-access-token-connectionsCopy head branch name to clipboard