Server Commands and Remote Commands are now Cancellable.

By: Matt <mattbdev@outlook.com>

paper-server/nms-patches/RemoteControlSession.patch

@@ -0,0 +1,14 @@
+--- a/net/minecraft/server/RemoteControlSession.java
++++ b/net/minecraft/server/RemoteControlSession.java
+@@ -62,7 +62,10 @@
+                             String s = StatusChallengeUtils.a(this.k, k, i);
+ 
+                             try {
+-                                this.a(l, this.b.executeRemoteCommand(s));
++                                // CraftBukkit start
++                                String result = this.b.executeRemoteCommand(s);
++                                if (result != null) this.a(l, result);
++                                // CraftBukkit end
+                             } catch (Exception exception) {
+                                 this.a(l, "Error executing: " + s + " (" + exception.getMessage() + ")");
+                             }