expconf shows external changes pop-up when adding external attribute to meas. grp.

[reszelaz]

The expconf widget shows a pop-up with external changes when adding an external attribute to the measurement group. This pop-up should not appear. These are the changes:

Changes {key: [external, local], ...}
{"MntGrpConfigs": {"mntgrp02": {"controllers": {"__tango__": {"synchronization": [0, "KeyNotFoundInLocal"], "synchronizer": ["software", "KeyNotFoundInLocal"]}}}}}

Note that this pop-up appears only when the first attribute is added.

Most probably this is due to the fact that the client (expconf) does not assign this configuration parameters (synchronization and synchronizer) and the server assign the default values for these parameters.

[reszelaz]

No more reproducible.