1753581028
Summary: `customAttributes` will be used by the UI Debugger to pass styleID for Bloks model attributes. (replicating corresponding [Android implementation](https://www.internalfb.com/code/fbsource/[33c33fa7f582]/xplat/sonar/android/src/facebook/java/com/facebook/flipper/uidebugger/bloks/descriptors/BloksDebugComponentDescriptor.kt?lines=138-139%2C170-171)) Reviewed By: antonk52 Differential Revision: D47494013 fbshipit-source-id: 257387d4af94235b23d636047326532d7071e8dd