Updates for API 30?

[ewpatton]

If you are interested, you can help us test the update to SDK 30 and AAB support coming in release nb187. More information here:

Testing the next release of MIT App Inventor (nb187)

This is a components release, which means that a new companion app is required to leverage some of the new functionality. The companion version for ai2-test is 2.60t1u and can be installed by scanning the QR code presented under the Help > Companion Information dialog on ai2-test.appinventor.mit.edu. This release contains the following changes: Features Add a copyright overlay to the Map component Add a read-only flag for the gallery Load block translations in parallel to improve load time pe…