feat(YouTube/Custom branding icon): add old splash animation for Revancify Red and Revancify Blue

src/main/kotlin/app/revanced/patches/youtube/layout/branding/icon/CustomBrandingIconPatch.kt

@@ -134,7 +134,6 @@ object CustomBrandingIconPatch : BaseResourcePatch(
             .underBarOrThrow()
 
         val appIconResourcePath = "youtube/branding/$appIcon"
-        val stockResourcePath = "youtube/branding/stock"
 
         // Check if a custom path is used in the patch options.
         if (!availableIcon.containsValue(appIcon)) {
@@ -176,13 +175,12 @@ object CustomBrandingIconPatch : BaseResourcePatch(
             if (RestoreOldSplashAnimation == true) {
                 oldSplashAnimationResourceGroups.let { resourceGroups ->
                     resourceGroups.forEach {
-                        context.copyResources("$stockResourcePath/splash", it)
                         context.copyResources("$appIconResourcePath/splash", it)
                     }
                 }
 
                 context.copyXmlNode(
-                    "$stockResourcePath/splash",
+                    "$appIconResourcePath/splash",
                     "values-v31/styles.xml",
                     "resources"
                 )

src/main/kotlin/app/revanced/util/ResourceUtils.kt

@@ -145,13 +145,13 @@ fun ResourceContext.copyXmlNode(
     resourceDirectory: String,
     targetResource: String,
     elementTag: String
-) {
-    val stringsResourceInputStream =
-        inputStreamFromBundledResource(resourceDirectory, targetResource)!!
-
+) = inputStreamFromBundledResource(
+    resourceDirectory,
+    targetResource
+)?.let { inputStream ->
     // Copy nodes from the resources node to the real resource node
     elementTag.copyXmlNode(
-        this.xmlEditor[stringsResourceInputStream],
+        this.xmlEditor[inputStream],
         this.xmlEditor["res/$targetResource"]
     ).close()
 }