Change messages_input_error to better support blocks
Description
Add the possibility to print a row and a column number in messages_input_error. This is useful when the variable is a block. Use this new feature in a few places.
News snippet
Change messages_input_error to better support blocks
Checklist
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I have checked that my code follows the Octopus coding standards -
I have added tests for all the new features added in this request.