Closes #40748 This PR improves the Centered Layout Padding in settings ui by limiting the numeric stepper to be within valid values and adding a custom schema generated to improve the JSON LSP completions and warnings when editing the setting field manually. Release Notes: - settings ui: limit stepper increment for centered padding between 0 and 0.4 and increment by 0.05 now --------- Co-authored by: Anthony Eid <anthony@zed.dev>