Status change reconsiderations

[ddbeck]

We have these pending status reconsiderations:

• Reconsideration: allow autofill to advance to Baseline high #3226
• Reconsideration: allow color-gamut to advance to Baseline high #3227

We have resolved the following reconsiderations:

• Reconsideration: allow top-level await status regression #2957
• Reconsideration: allow abs-sign to advance to Baseline low #3194