Fill in missing banner pattern entries

Fixes #1090

Author: Su5eD

Diff for: src/mod/java/org/sinytra/connector/mod/compat/LateSheetsInit.java

@@ -14,6 +14,10 @@ public static void completeSheetsInit() {
                 Sheets.HANGING_SIGN_MATERIALS.put(woodType, Sheets.createHangingSignMaterial(woodType));
             }
         });
+        BuiltInRegistries.BANNER_PATTERN.registryKeySet().stream()
+            .filter(key -> !Sheets.BANNER_MATERIALS.containsKey(key))
+            .forEach(key -> Sheets.BANNER_MATERIALS.put(key, Sheets.createBannerMaterial(key)));
+
         BuiltInRegistries.DECORATED_POT_PATTERNS.registryKeySet().stream()
             .filter(key -> !Sheets.DECORATED_POT_MATERIALS.containsKey(key))
             .forEach(key -> Sheets.DECORATED_POT_MATERIALS.put(key, Sheets.createDecoratedPotMaterial(key)));

Diff for: src/mod/resources/META-INF/accesstransformer.cfg

@@ -18,6 +18,7 @@ public net.minecraft.tags.TagEntry <init>(Lnet/minecraft/resources/ResourceLocat
 public net.minecraft.client.renderer.Sheets m_173385_(Lnet/minecraft/world/level/block/state/properties/WoodType;)Lnet/minecraft/client/resources/model/Material; # createSignMaterial
 public net.minecraft.client.renderer.Sheets m_245275_(Lnet/minecraft/world/level/block/state/properties/WoodType;)Lnet/minecraft/client/resources/model/Material; # createHangingSignMaterial
 public net.minecraft.client.renderer.Sheets m_272215_(Lnet/minecraft/resources/ResourceKey;)Lnet/minecraft/client/resources/model/Material; # createDecoratedPotMaterial
+public net.minecraft.client.renderer.Sheets m_234351_(Lnet/minecraft/resources/ResourceKey;)Lnet/minecraft/client/resources/model/Material; # createBannerMaterial
 
 # SHOTGUN