Not possible to do an import via csv for locations containing negative integer or decimal fields

[dpalomino]

Steps to reproduce the error

1. Create CSV file containing negative values for integer or decimal fields
2. Try to import the data
3. Enjoy the sanitization error
   "Error importing file at line 2: Input can not contain HTML tags, emojis or start with any of + - = and @."

This bug is also related to #1664 and #1613.

Actual behavior

See above

Expected behavior

Able to import negative integer or decimal values.

[dpalomino]

This is the CSV file being used, as you can see in row 2 there is no negative or "special" char apart from the coordinates.
karet_1.csv.zip

[dpalomino]

You were right @oliverroick, the geo fields are not sanitized. However this is failing with the negative values for decimal (and I presume integer as well).

Updating the original description and summary for clarity.

Thanks.