Fixed token input symbol and address overlap

[alvarengathomas]

Closes #50

This PR includes:

• Fixes on token input layout to avoid the symbol to overlap the token address;

Here is a screenshot showing the fix:

However, the same text is used to show errors like the following screenshot:

@dvnahuel What should I do about the error messages? Please let me know in the PR comments.

[gabmontes]

I'm ok with the solution.

@dvnahuel may want to continue suggesting ways to improve the usability.

[dvnahuel]

Hey team! just opened an issue that expands on this. Link
cc: @alvarengathomas