PY-86523: Do not wait for backend to display feature buttons that should be always available

Space-RevId: ff78d92ab4837ca2ebf4cd3d4a7aa61ae5744f06

GitOrigin-RevId: d1b9bb1518568b80bd90c7c9a5cddc0ebd73d8d7

platform/non-modal-welcome-screen/src/com/intellij/platform/ide/nonModalWelcomeScreen/rightTab/WelcomeRightTabContentProvider.kt

@@ -52,6 +52,7 @@ interface WelcomeRightTabContentProvider {
    */
   class FeatureButtonModelWithBackend(
     val featureKey: String,
+    val isAlwaysAvailable: Boolean = false,
     text: String,
     icon: IconKey,
     tint: Color = Color.Unspecified,

platform/non-modal-welcome-screen/src/com/intellij/platform/ide/nonModalWelcomeScreen/rightTab/WelcomeScreenRightTab.kt

@@ -167,7 +167,7 @@ class WelcomeScreenRightTab(
     Column(modifier = modifier.wrapContentSize(Alignment.Center), verticalArrangement = Arrangement.spacedBy(16.dp)) {
       // Show only available backend features (and all non-backend features)
       val featureModels = contentProvider.getFeatureButtonModels(project).filter {
-        it !is FeatureButtonModelWithBackend || it.featureKey in backendFeatureIds
+        it !is FeatureButtonModelWithBackend || it.isAlwaysAvailable || it.featureKey in backendFeatureIds
       }
 
       for (row in featureModels.chunked(3)) {