Docker: Make temporary messages shorter

Kinder to the translators.

Change-Id: If9c7eb265b2f86fec274e9db7b0d76424cd703cc
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/docker/dockerdevice.cpp

@@ -715,12 +715,13 @@ void DockerDevicePrivate::tryCreateLocalFileAccess()
                 .arg(m_container, m_mergedDir)
                     + '\n' + tr("Output: '%1'").arg(out)
                     + '\n' + tr("Error: '%1'").arg(proc.stdErr()));
-        if (HostOsInfo::isWindowsHost()) { // TODO investigate how to make it possible nevertheless
+        if (HostOsInfo::isWindowsHost()) {
+            // Disabling merged layer access. This is not supported and anything
+            // related to accessing merged layers on Windows fails due to the need
+            // of using wsl or a named pipe.
+            // TODO investigate how to make it possible nevertheless.
             m_mergedDir.clear();
-            MessageManager::writeSilently(
-                        tr("Disabling merged channel access. This is not supported and anything "
-                           "related to accessing merged channels on Windows fails due to the need "
-                           "of using wsl or a named pipe."));
+            MessageManager::writeSilently(tr("This is expected on Windows."));
             return;
         }
     }