fix(web): submit-booleans-and-default-types-as-strings

examples:

before this change, the default value of number was number, but once you modified it, it became a string. and the default value of boolean was boolean, and once you modified it, it stayed boolean too, when it shouldve been a string for being uploaded into the IPFS json string object

ATQ Registry, before (without inputting anything in the number value):

after (without inputting anything in the number value):

ATQ Registry, before (inputting something in the number value):

after (inputting something in the number value):

AT Registry, before and after are the same:

Token Registry, before and after are the same:

kleros / gtcr

fix(web): submit-booleans-and-default-types-as-strings #329

Quality Gate passed