fix issue that if functional block is dragged from project panel into
ST text editor and in dialog 'Please enter a block name' button
'cancel' is pressed, despite of cancel text about drag'n'dropped type
is pasted in ST program.

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{

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    "url":"ws://127.0.0.1:8888",

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    "realm":"Automation",

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    "ID":"wamptest",

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    "password":"1234567890",

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    "key":"ABCDEFGHIJ"

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}