Fix propagation of ignore list changes

Previously, when changing the ignore list, those changes would not be
propagated to existing sync folders. Only after restarting the client,
would these changes be applied.

#8975
#9149

changelog/unreleased/9149

@@ -0,0 +1,8 @@
+Bugfix: immediately propagate changes to the ignore list
+
+Previously, when changing the ignore list, those changes would not be
+propagated to existing sync folders. Only after restarting the client,
+would these changes be applied.
+
+https://github.com/owncloud/client/issues/8975
+https://github.com/owncloud/client/pull/9149

src/gui/folder.h

@@ -374,6 +374,9 @@ public slots:
      */
     void schedulePathForLocalDiscovery(const QString &relativePath);
 
+    /// Reloads the excludes, used when changing the user-defined excludes after saving them to disk.
+    bool reloadExcludes();
+
 private slots:
     void slotSyncStarted();
     void slotSyncFinished(bool);
@@ -425,8 +428,6 @@ private slots:
 private:
     void connectSyncRoot();
 
-    bool reloadExcludes();
-
     void showSyncResultPopup();
 
     bool checkLocalPath();

src/gui/ignorelisteditor.cpp

@@ -121,6 +121,7 @@ void IgnoreListEditor::slotUpdateLocalIgnoreList()
     // ignored (because the remote etag did not change)   (issue #3172)
     for (auto *folder : folderMan->map()) {
         folder->journalDb()->forceRemoteDiscoveryNextSync();
+        folder->reloadExcludes();
         folder->slotNextSyncFullLocalDiscovery();
         folderMan->scheduleFolder(folder);
     }