Have directory ID still accessible in recent changes despite showing name

Show it as tool tip and allow copying it via the context menu

model/syncthingrecentchangesmodel.cpp

@@ -120,6 +120,8 @@ QVariant SyncthingRecentChangesModel::data(const QModelIndex &index, int role) c
                 % QString::fromStdString(change.fileChange.eventTime.toString(DateTimeOutputFormat::DateAndTime, true)));
         case 1:
             return change.deviceId.isEmpty() ? change.fileChange.modifiedBy : change.deviceId;
+        case 2:
+            return change.directoryId;
         case 3:
             return change.fileChange.path; // usually too long so add a tooltip
         }

plasmoid/package/contents/ui/RecentChangesPage.qml

@@ -98,6 +98,9 @@ Item {
                 function copyDeviceId() {
                     plasmoid.nativeInterface.copyToClipboard(modifiedBy)
                 }
+                function copyFolderId() {
+                    plasmoid.nativeInterface.copyToClipboard(folderId)
+                }
             }
 
             PlasmaComponents.Menu {
@@ -112,6 +115,11 @@ Item {
                     icon: "network-server-symbolic"
                     onClicked: recentChangesView.currentItem.copyDeviceId()
                 }
+                PlasmaComponents.MenuItem {
+                    text: qsTr("Copy directory ID")
+                    icon: "folder"
+                    onClicked: recentChangesView.currentItem.copyFolderId()
+                }
             }
         }
     }

tray/gui/traywidget.cpp

@@ -597,6 +597,9 @@ void TrayWidget::showRecentChangesContextMenu(const QPoint &position)
                                QIcon(QStringLiteral(":/icons/hicolor/scalable/places/network-workgroup.svg"))),
                 tr("Copy device ID")),
         &QAction::triggered, this, copyRole(SyncthingRecentChangesModel::ModifiedBy));
+    connect(menu.addAction(QIcon::fromTheme(QStringLiteral("folder"), QIcon(QStringLiteral(":/icons/hicolor/scalable/places/folder.svg"))),
+                tr("Copy directory ID")),
+        &QAction::triggered, this, copyRole(SyncthingRecentChangesModel::DirectoryId));
     showViewMenu(position, *m_ui->recentChangesTreeView, menu);
 }