Resizing window "add source" with sql statement

[DhMat]

Please add the option to resize the window where you can input an SQL statement when adding a new data source. Now this window is too small of you're writing an SQL statement of several lines. The window can not be resized for the moment.

[DhMat]

Add source window

[v-chuncz-msft]

@DhMat 

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