Log: Start logging immediately when "permanent logs" enabled #7146

Previously one would need to wait for the next sync run to create the
first log file.

src/gui/logbrowser.cpp

@@ -116,6 +116,7 @@ void LogBrowser::togglePermanentLogging(bool enabled)
     if (enabled) {
         if (!logger->isLoggingToFile()) {
             logger->setupTemporaryFolderLogDir();
+            logger->enterNextLogFile();
         }
     } else {
         logger->disableTemporaryFolderLogDir();