fix client side memory leak on anything RedstoneAware

https://github.com/GTNewHorizons/OpenComputers/pull/142

Co-authored-by: Glease <4586901+Glease@users.noreply.github.com>

changelog.md

@@ -3,7 +3,8 @@
 * [#3769] Add default user agent configuration option; change OpenComputers' default user agent to "opencomputers/$version".
 * [#3759] Add V1 and V2 to the robot name list. (AutumnalModding)
 * [#3727] Fix more regressions related to OpenOS error handling. (jasonS05, kcinnajlol)
+* Fix client-side memory leak on anything RedstoneAware (Glease)
 
 ## List of contributors
 
-asie, AutumnalModding, jasonS05, kcinnajlol
+asie, AutumnalModding, Glease, jasonS05, kcinnajlol

src/main/scala/li/cil/oc/common/tileentity/traits/RedstoneAware.scala

@@ -135,7 +135,7 @@ trait RedstoneAware extends RotationAware with IConnectable with IRedstoneEmitte
 
   override def validate(): Unit = {
     super.validate()
-    if (!canUpdate) {
+    if (!canUpdate && isServer) {
       EventHandler.scheduleServer(() => ForgeDirection.VALID_DIRECTIONS.foreach(updateRedstoneInput))
     }
   }