Add sun related API

== AT ==
public net.minecraft.world.entity.Mob isSunBurnTick()Z

paper-server/src/main/java/org/bukkit/craftbukkit/CraftWorld.java

@@ -755,6 +755,13 @@ public class CraftWorld extends CraftRegionAccessor implements World {
         }
     }
 
+    // Paper start
+    @Override
+    public boolean isDayTime() {
+        return getHandle().isDay();
+    }
+    // Paper end
+
     @Override
     public long getGameTime() {
         return this.world.levelData.getGameTime();

paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java

@@ -91,4 +91,11 @@ public abstract class CraftMob extends CraftLivingEntity implements Mob {
     public long getSeed() {
         return this.getHandle().lootTableSeed;
     }
+
+    // Paper start
+    @Override
+    public boolean isInDaylight() {
+        return getHandle().isSunBurnTick();
+    }
+    // Paper end
 }