Clear the going home flag for edge cases

There were a few potential times when the flag may not have been
cleared. These were mostly teleport failure scenarios. Hopefully, this
is all of them.

https://github.com/BentoBoxWorld/BentoBox/issues/1864

src/main/java/world/bentobox/bentobox/managers/IslandsManager.java

@@ -1101,6 +1101,7 @@ public class IslandsManager {
                 .island(island)
                 .homeName(name)
                 .thenRun(() -> teleported(world, user, name, newIsland, island))
+                .ifFail(() -> goingHome.remove(user.getUniqueId()))
                 .buildFuture()
                 .thenAccept(result::complete);
                 return;
@@ -1115,9 +1116,10 @@ public class IslandsManager {
                     teleported(world, user, name, newIsland, island);
                     result.complete(true);
                 } else {
+                    // Remove from mid-teleport set
+                    goingHome.remove(user.getUniqueId());
                     result.complete(false);
                 }
-
             });
         });
         return result;
@@ -1135,6 +1137,8 @@ public class IslandsManager {
         if (!name.isEmpty()) {
             user.sendMessage("commands.island.go.teleported", TextVariables.NUMBER, name);
         }
+        // Remove from mid-teleport set
+        goingHome.remove(user.getUniqueId());
         // If this is a new island, then run commands and do resets
         if (newIsland) {
             // Fire event
@@ -1178,10 +1182,7 @@ public class IslandsManager {
 
             // Set the game mode
             user.setGameMode(plugin.getIWM().getDefaultGameMode(world));
-
         }
-        // Remove from mid-teleport set
-        goingHome.remove(user.getUniqueId());
     }
 
     /**

src/main/java/world/bentobox/bentobox/util/teleport/SafeSpotTeleport.java

@@ -49,6 +49,7 @@ public class SafeSpotTeleport {
     private final BentoBox plugin;
     private List<Pair<Integer, Integer>> chunksToScan;
     private final Runnable runnable;
+    private final Runnable failRunnable;
     private final CompletableFuture<Boolean> result;
     private final String homeName;
     private final int maxHeight;
@@ -65,6 +66,7 @@ public class SafeSpotTeleport {
         this.homeNumber = builder.getHomeNumber();
         this.homeName = builder.getHomeName();
         this.runnable = builder.getRunnable();
+        this.failRunnable = builder.getFailRunnable();
         this.result = builder.getResult();
         this.maxHeight = location.getWorld().getMaxHeight() - 20;
         // Try to go
@@ -151,9 +153,15 @@ public class SafeSpotTeleport {
                         makeAndTelport(Material.COBBLESTONE);
                     }
                 }
+                if (failRunnable != null) {
+                    Bukkit.getScheduler().runTask(plugin, failRunnable);
+                }
                 result.complete(false);
             });
         } else {
+            if (failRunnable != null) {
+                Bukkit.getScheduler().runTask(plugin, failRunnable);
+            }
             result.complete(false);
         }
     }
@@ -300,6 +308,7 @@ public class SafeSpotTeleport {
         private String failureMessage = "";
         private Location location;
         private Runnable runnable;
+        private Runnable failRunnable;
         private final CompletableFuture<Boolean> result = new CompletableFuture<>();
 
         public Builder(BentoBox plugin) {
@@ -423,6 +432,16 @@ public class SafeSpotTeleport {
             return this;
         }
 
+        /**
+         * The task to run if the player is not safely teleported
+         * @param runnable - task
+         * @return Builder
+         * @since 1.18.0
+         */
+        public Builder ifFail(Runnable rannable) {
+            this.failRunnable = runnable;
+            return this;
+        }
         /**
          * @return the plugin
          */
@@ -487,6 +506,13 @@ public class SafeSpotTeleport {
             return result;
         }
 
+        /**
+         * @return the failRunnable
+         */
+        public Runnable getFailRunnable() {
+            return failRunnable;
+        }
+
 
     }
 }