Multiline text parameters

[rappen]

Make it possible to enter multiline text parameters. Current control just accepts first "line", and is also limited to 32k.

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• Deployment: Online
• DB Version: 9.1.0.26438
• Connection Controls Version: 1.2021.1.39
• XrmToolBox Version: 1.2021.1.44
• Tool Version: 1.2021.1.1