Fix the incorrect codec usage in the Style convert (#10465)

patches/server/0010-Adventure.patch

@@ -1157,7 +1157,7 @@ index 0000000000000000000000000000000000000000..2fd6c3e65354071af71c7d8ebb97b559
 +}
 diff --git a/src/main/java/io/papermc/paper/adventure/PaperAdventure.java b/src/main/java/io/papermc/paper/adventure/PaperAdventure.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..cb9f8567ba6aae41a6cde519ac0cff0169a7cea7
+index 0000000000000000000000000000000000000000..fc6e13e4f2408ccbfa645eae2d7ebf4dcfc21908
 --- /dev/null
 +++ b/src/main/java/io/papermc/paper/adventure/PaperAdventure.java
 @@ -0,0 +1,478 @@
@@ -1624,7 +1624,7 @@ index 0000000000000000000000000000000000000000..cb9f8567ba6aae41a6cde519ac0cff01
 +    public static net.minecraft.network.chat.Style asVanilla(final Style style) {
 +        final RegistryOps<Object> ops = RegistryOps.create(JavaOps.INSTANCE, CraftRegistry.getMinecraftRegistry());
 +        final Object encoded = AdventureCodecs.STYLE_MAP_CODEC.codec()
-+            .parse(ops, style).getOrThrow(IllegalStateException::new);
++            .encodeStart(ops, style).getOrThrow(IllegalStateException::new);
 +
 +        return net.minecraft.network.chat.Style.Serializer.CODEC
 +            .parse(ops, encoded).getOrThrow(IllegalStateException::new);
@@ -1633,7 +1633,7 @@ index 0000000000000000000000000000000000000000..cb9f8567ba6aae41a6cde519ac0cff01
 +    public static Style asAdventure(final net.minecraft.network.chat.Style style) {
 +        final RegistryOps<Object> ops = RegistryOps.create(JavaOps.INSTANCE, CraftRegistry.getMinecraftRegistry());
 +        final Object encoded = net.minecraft.network.chat.Style.Serializer.CODEC
-+            .parse(ops, style).getOrThrow(IllegalStateException::new);
++            .encodeStart(ops, style).getOrThrow(IllegalStateException::new);
 +
 +        return AdventureCodecs.STYLE_MAP_CODEC.codec()
 +            .parse(ops, encoded).getOrThrow(IllegalStateException::new);