fix: GutenbergKit settings default to undefined (#22206)

* fix: GutenbergKit editor settings defaults to undefined

Align with GutenbergKit's iOS and JavaScript implementations that expect
and undefined value rather than an empty object.

* build: Update GutenbergKit version

* refactor: Remove unused imports

* build: Update GutenbergKit version

* build: Update GutenbergKit version

Author: dcalhoun

WordPress/src/main/java/org/wordpress/android/ui/posts/GutenbergKitActivity.kt

@@ -44,7 +44,6 @@ import com.automattic.android.tracks.crashlogging.JsExceptionCallback
 import com.google.android.material.appbar.AppBarLayout
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.google.android.material.snackbar.Snackbar
-import com.google.gson.JsonObject
 import kotlinx.parcelize.parcelableCreator
 import org.greenrobot.eventbus.EventBus
 import org.greenrobot.eventbus.Subscribe
@@ -75,7 +74,6 @@ import org.wordpress.android.fluxc.generated.PostActionBuilder
 import org.wordpress.android.fluxc.generated.SiteActionBuilder
 import org.wordpress.android.fluxc.model.AccountModel
 import org.wordpress.android.fluxc.model.CauseOfOnPostChanged
-import org.wordpress.android.fluxc.model.EditorSettings
 import org.wordpress.android.fluxc.model.MediaModel
 import org.wordpress.android.fluxc.model.MediaModel.MediaUploadState
 import org.wordpress.android.fluxc.model.PostImmutableModel
@@ -3123,8 +3121,8 @@ class GutenbergKitActivity : BaseAppCompatActivity(), EditorImageSettingsListene
     @Suppress("unused")
     @Subscribe(threadMode = ThreadMode.MAIN_ORDERED)
     fun onEditorSettingsChanged(event: OnEditorSettingsChanged) {
-        val editorSettings = event.editorSettings ?: EditorSettings(JsonObject())
-        editorFragment?.startWithEditorSettings(editorSettings.toJsonString())
+        val editorSettingsString = event.editorSettings?.toJsonString() ?: "undefined"
+        editorFragment?.startWithEditorSettings(editorSettingsString)
     }
 
     // EditorDataProvider methods

gradle/libs.versions.toml

@@ -73,7 +73,7 @@ google-play-services-auth = '20.4.1'
 google-services = '4.4.3'
 gravatar = '2.5.0'
 greenrobot-eventbus = '3.3.1'
-gutenberg-kit = 'v0.8.1-alpha.0'
+gutenberg-kit = 'v0.8.1-alpha.1'
 gutenberg-mobile = 'v1.121.0'
 indexos-media-for-mobile = '43a9026f0973a2f0a74fa813132f6a16f7499c3a'
 jackson-databind = '2.12.7.1'