SPIGOT-5502: Fix command block successcount being set to return value rather than actual count

nms-patches/CommandBlockListenerAbstract.patch

@@ -19,19 +19,12 @@
  
      public CommandBlockListenerAbstract() {
          this.customName = CommandBlockListenerAbstract.c;
-@@ -105,14 +110,7 @@
-                 if (minecraftserver != null && minecraftserver.J() && minecraftserver.getEnableCommandBlock() && !UtilColor.b(this.command)) {
-                     try {
-                         this.lastOutput = null;
--                        CommandListenerWrapper commandlistenerwrapper = this.getWrapper().a((commandcontext, flag, i) -> {
--                            if (flag) {
--                                ++this.successCount;
--                            }
--
--                        });
--
+@@ -112,7 +117,7 @@
+ 
+                         });
+ 
 -                        minecraftserver.getCommandDispatcher().a(commandlistenerwrapper, this.command);
-+                        this.successCount = minecraftserver.getCommandDispatcher().dispatchServerCommand(this.getWrapper(), this.command); // CraftBukkit
++                        minecraftserver.getCommandDispatcher().dispatchServerCommand(commandlistenerwrapper, this.command); // CraftBukkit
                      } catch (Throwable throwable) {
                          CrashReport crashreport = CrashReport.a(throwable, "Executing command block");
                          CrashReportSystemDetails crashreportsystemdetails = crashreport.a("Command to be executed");