feat: add a permission to override-allow a merge if the other plot's owner is offline

- Closes #3779

.github/workflows/announce-release-on-discord.yml

@@ -0,0 +1,25 @@
+name: Announce release on discord
+on:
+  release:
+    types: [published]
+
+jobs:
+  send_announcement:
+    runs-on: ubuntu-latest
+    steps:
+      - name: send custom message with args
+        env:
+          DISCORD_WEBHOOK: ${{ secrets.DISCORD_WEBHOOK }}
+          DISCORD_USERNAME: PlotSquared Release
+          DISCORD_AVATAR: https://raw.githubusercontent.com/IntellectualSites/Assets/main/plugins/PlotSquared/PlotSquared.png
+        uses: Ilshidur/action-discord@0.3.2
+        with:
+          args: |
+            "<@&525015541815967744> <@&679322738552471574> <@&699293353862496266>"
+            ""
+            "<:plotsquared:730750385886593039> **PlotSquared ${{ github.event.release.tag_name }} has been released!**"
+            ""
+            "Click here to view changelog: https://github.com/IntellectualSites/PlotSquared/releases/tag/${{ github.event.release.tag_name }}"
+            ""
+            "The download is available at:"
+            "- Spigot: <https://www.spigotmc.org/resources/77506/>"

Core/src/main/java/com/plotsquared/core/command/Merge.java

@@ -282,7 +282,28 @@ public class Merge extends SubCommand {
                 run.run();
             }
         }
-        if (!force && !isOnline) {
+        if (force || !isOnline) {
+            if (force || Permissions.hasPermission(player, Permission.PERMISSION_ADMIN_COMMAND_MERGE_OTHER_OFFLINE)) {
+                if (plot.getPlotModificationManager().autoMerge(direction, maxSize - size, uuids.iterator().next(), player, terrain)) {
+                    if (this.econHandler.isEnabled(plotArea) && price > 0d) {
+                        if (!force && this.econHandler.getMoney(player) < price) {
+                            player.sendMessage(
+                                    TranslatableCaption.of("economy.cannot_afford_merge"),
+                                    Template.of("money", this.econHandler.format(price))
+                            );
+                            return false;
+                        }
+                        this.econHandler.withdrawMoney(player, price);
+                        player.sendMessage(
+                                TranslatableCaption.of("economy.removed_balance"),
+                                Template.of("money", this.econHandler.format(price))
+                        );
+                    }
+                    player.sendMessage(TranslatableCaption.of("merge.success_merge"));
+                    eventDispatcher.callPostMerge(player, plot);
+                    return true;
+                }
+            }
             player.sendMessage(TranslatableCaption.of("merge.no_available_automerge"));
             return false;
         }

Core/src/main/java/com/plotsquared/core/permissions/Permission.java

@@ -162,6 +162,7 @@ public enum Permission {
     PERMISSION_LIST_AREA("plots.list.area"),
     PERMISSION_ADMIN_COMMAND_LOAD("plots.admin.command.load"),
     PERMISSION_ADMIN_COMMAND_MERGE("plots.admin.command.merge"),
+    PERMISSION_ADMIN_COMMAND_MERGE_OTHER_OFFLINE("plots.admin.command.merge.other.offline"),
     PERMISSION_ADMIN_COMMAND_SET_OWNER("plots.admin.command.setowner"),
     PERMISSION_COMMENT("plots.comment"),
     PERMISSION_INBOX("plots.inbox"),