[json] make sure we always show the preview of the json file when switching…

Authored by asemke on Jan 20 2019, 9:10 AM.

Description

[json] make sure we always show the preview of the json file when switching between different options in ImportFileWidget.

Details

Committed
asemkeJan 20 2019, 9:10 AM
Parents
R262:b4ba98878c10: [mqtt] moved some code shared by ImportFileWidget and LiveDataDock to a new…
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