adding missing Farsi translations
merged branch empire/patch-validator-fa (PR #8060)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #8060).

Discussion
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[Validator] added missing Farsi translations

| Q             | A
| ------------- | ---
| Fixed tickets | -
| License       | MIT

Farsi translations for the following validators

-  IBAN
-  ISBN
-  ISSN
-  Currency
-  EqualTo
-  IdenticalTo
-  NotEqualTo
-  NotIdenticalTo
-  GreaterThan
-  GreaterThanOrEqual
-  LessThan
-  LessThanOrEqual;

Commits
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026f2ac [Validator] adding missing Farsi translations