fixed cancel button issue: changed "Cancel" to "Go Back"

[gopalM-3]

fixes issue #362 by changing the 't' function's input text from "Cancel" to "Go Back" in both DocTranslationForm.tsx and WebpageTranslationForm.tsx

[coveralls]

Pull Request Test Coverage Report for Build 8283268235

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 97.644%

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Totals
Change from base Build 8267419293:	0.0%
Covered Lines:	1381
Relevant Lines:	1396

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💛 - Coveralls