check by not null count in PacketMine and account for multiple different hotbar index requiring contexts within the same request

Author: beanbag44

common/src/main/kotlin/com/lambda/interaction/request/breaking/BreakManager.kt

@@ -325,6 +325,11 @@ object BreakManager : RequestHandler<BreakRequest>(
         val newBreaks = request.contexts
             .distinctBy { it.blockPos }
             .filter { ctx -> canAccept(ctx, request.build.breaking) }
+            .let { acceptable ->
+                acceptable.firstOrNull()?.let { first ->
+                    acceptable.filter { it.hotbarIndex == first.hotbarIndex }
+                } ?: acceptable
+            }
             .toMutableList()
 
         // Update the current break infos or cancel if abandoned

common/src/main/kotlin/com/lambda/module/modules/player/PacketMine.kt

@@ -171,7 +171,7 @@ object PacketMine : Module(
     }
 
     private fun SafeContext.requestBreakManager(requestPositions: Collection<BlockPos?>, reBreaking: Boolean = false) {
-        if (requestPositions.isEmpty()) return
+        if (requestPositions.count { it != null } <= 0) return
         val breakContexts = breakContexts(requestPositions)
         if (!reBreaking) {
             queuePositions.retainAllPositions(breakContexts)