[bug] two validators with defaults break string casting of lists in .env file

[aqc-carlodri]

Describe the bug
Having two validators with defaults break string casting of lists in .env file

To Reproduce
Steps to reproduce the behavior:

1. Having the following folder structure

Project structure

    .env
    .gitignore
    config.py

2. Having the following config files:

Config files

.env

DYNACONF_GROUP__TEST_LIST = ["'1'", "'2S'"]

DYNACONF_GROUP__ANOTHER = 45

3. Having the following app code:

Code

config.py

from dynaconf import Dynaconf, Validator

settings = Dynaconf(
    load_dotenv=True,
    environments=True,
)


settings.validators.register(
    Validator("group.something_new", default=2),
    Validator("group.another_new", default=3),
)

settings.validators.validate()

4. Executing under the following environment

Execution

dynaconf -i config.settings list

Expected behavior
Expected output of the above command:

Working in development environment
LOAD_DOTENV<bool> True
GROUP<dict> {'ANOTHER': 45, 'TEST_LIST': ['1', '2S'], 'another_new': 3, 'something_new': 2}

Notice the first item of TEST_LIST.

Actual behavior
Actual output of the above command:

Working in development environment
LOAD_DOTENV<bool> True
GROUP<dict> {'ANOTHER': 45, 'TEST_LIST': [1, '2S'], 'another_new': 3, 'something_new': 2}

Notice the first item of TEST_LIST.

Environment (please complete the following information):

• OS: Win10x64
• Dynaconf Version 3.2.2

Additional context
If you comment out one of the two validators, the problem disappears.

Might be related to #988, as mentioned on gitter by @rochacbruno.