cherry-pick fixes

Author: deirn

src/main/java/mcp/mobius/waila/network/play/c2s/BlockDataRequestPlayC2SPacket.java

@@ -32,7 +32,7 @@ public void common() {
             var hitResult = payload.hitResult;
 
             var registrar = Registrar.get();
-            var world = player.level();
+            var world = player.serverLevel();
             var pos = hitResult.getBlockPos();
 
             //noinspection deprecation

src/main/java/mcp/mobius/waila/network/play/c2s/EntityDataRequestPlayC2SPacket.java

@@ -39,7 +39,7 @@ public void common() {
             var hitPos = payload.hitPos;
 
             var registrar = Registrar.get();
-            var world = player.level();
+            var world = player.serverLevel();
             var entity = world.getEntity(entityId);
 
             if (entity == null) {