Fixing the following issues: [#3162497] by drewfranz, Harlor: Duplicate Schema Key Throwing Config Import Error [#3123816] by Suresh Prabhu Parkala, chegor: Compatibility with Drupal 9 [#3091693] by Sergiu Stici, Eli.Stone: Deprecated Code Report [#3093714] by lennervald: Differences in how current length is being calculated [no issue] Cleaning up widget settings and settings summary.