minor symfony#44901 [Translation] fixed help text of translation provider commands (m2mtech)

This PR was merged into the 5.3 branch.

Discussion
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[Translation] fixed help text of translation provider commands

| Q             | A
| ------------- | ---
| Branch?       | 5.3
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| License       | MIT

The current description of the domains option does not match the code (there is no string to array functionality in the given code) or the standard [behavior of console commands](https://symfony.com/doc/current/console/input.html).

This fix just changes the text of the help description - no actual code is changed.

Commits
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533aac8 fixed help text

Author: kbond

src/Symfony/Component/Translation/Command/TranslationPullCommand.php

@@ -81,7 +81,7 @@ protected function configure()
 
 Full example:
 
-  <info>php %command.full_name% provider --force --domains=messages,validators --locales=en</>
+  <info>php %command.full_name% provider --force --domains=messages --domains=validators --locales=en</>
 
 This command pulls all translations associated with the <comment>messages</> and <comment>validators</> domains for the <comment>en</> locale.
 Local translations for the specified domains and locale are deleted if they're not present on the provider and overwritten if it's the case.

src/Symfony/Component/Translation/Command/TranslationPushCommand.php

@@ -79,7 +79,7 @@ protected function configure()
 
 Full example:
 
-  <info>php %command.full_name% provider --force --delete-missing --domains=messages,validators --locales=en</>
+  <info>php %command.full_name% provider --force --delete-missing --domains=messages --domains=validators --locales=en</>
 
 This command pushes all translations associated with the <comment>messages</> and <comment>validators</> domains for the <comment>en</> locale.
 Provider translations for the specified domains and locale are deleted if they're not present locally and overwritten if it's the case.