Increase size of mysql field in export table for column with CRM_Utils_Type::T_INT type

[scardinius]

Overview

described here https://lab.civicrm.org/dev/core/issues/1661

[civibot]

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[seamuslee001]

I think this is ok but also kind of feels like its a papering over a bigger issue @eileenmcnaughton any thoughts on the best solution here? Also most of the test fails relate

[eileenmcnaughton]

I commented in gitlab - we have dealt with these through metadata to date & there is handling in the class - obviously not extending to this field - we really really need to replicate in a test before making changes to this class as the table width can break exports

[eileenmcnaughton]

(you can see from the failing tests where the tests are to use as a starting point :-)

[eileenmcnaughton]

I'm closing this as it fails tests - however I have put up an alternate here - #17956 that addresses the issue by improving standardisation. Note that it won't apply cleanly on older versions as I did preliminary cleanup