removed duplicated illustrations + illustrations renamed to have ill prefix

vector/src/main/java/im/vector/app/features/home/room/list/home/release/ReleaseNotesFragment.kt

@@ -94,17 +94,17 @@ class ReleaseNotesFragment : VectorBaseFragment<BottomSheetReleaseNotesBinding>(
                         ReleaseCarouselData.Item(
                                 R.string.onboarding_new_app_layout_welcome_title,
                                 R.string.onboarding_new_app_layout_welcome_message,
-                                R.drawable.app_layout_onboarding_welcome
+                                R.drawable.ill_app_layout_onboarding_rooms
                         ),
                         ReleaseCarouselData.Item(
                                 R.string.onboarding_new_app_layout_spaces_title,
                                 R.string.onboarding_new_app_layout_spaces_message,
-                                R.drawable.app_layout_onboarding_spaces
+                                R.drawable.ill_app_layout_onboarding_spaces
                         ),
                         ReleaseCarouselData.Item(
                                 R.string.onboarding_new_app_layout_feedback_title,
                                 R.string.onboarding_new_app_layout_feedback_message,
-                                R.drawable.app_layout_onboarding_feedback
+                                R.drawable.ill_app_layout_onboarding_rooms
                         ),
                 )
         )

vector/src/main/res/layout/item_release_carousel.xml

@@ -31,7 +31,7 @@
         app:layout_constraintStart_toStartOf="@id/splashCarouselGutterStart"
         app:layout_constraintEnd_toEndOf="@id/splashCarouselGutterStart"
         app:layout_constraintBottom_toTopOf="@id/carousel_item_title"
-        tools:src="@drawable/app_layout_onboarding_welcome"/>
+        tools:src="@drawable/ill_app_layout_onboarding_rooms"/>
 
     <TextView
         android:id="@+id/carousel_item_title"