Fix text flipping in rtl languages

[Gio2018]

Fixes #17731

This PR fixes an issue where text appeared flipped in rtl languages.

before	after

To test:

• checkout/build/run trunk (or any other branch different than this one)
• Set the device language to an rtl language
• Install some widgets
• verify that text appears flipped: numbers and site names are easy to spot, but you can also look at the translations inside the Localizable.strings file of the language of your choice
• checkout/build/run this branch
• verify that text is not flipped anymore in the widgets

see above screenshots for more details.

Regression Notes

1. Potential unintended areas of impact
   None. this PR only affects text in Widgets, for rtl languages

2. What I did to test those areas of impact (or what existing automated tests I relied on)
   Tested widgets in a rtl language

3. What automated tests I added (or what prevented me from doing so)
   none
   PR submission checklist:

• I have completed the Regression Notes.
• I have considered adding unit tests for my changes.
• I have considered adding accessibility improvements for my changes.
• I have considered if this change warrants user-facing release notes and have added them to RELEASE-NOTES.txt if necessary.

[wpmobilebot]

You can test the changes in WordPress from this Pull Request by:

• Clicking here or scanning the QR code below to access App Center
• Then installing the build number pr18567-b4d2623 on your iPhone

If you need access to App Center, please ask a maintainer to add you.

[wpmobilebot]

You can test the changes in Jetpack from this Pull Request by:

• Clicking here or scanning the QR code below to access App Center
• Then installing the build number pr18567-b4d2623 on your iPhone

If you need access to App Center, please ask a maintainer to add you.

[ScoutHarris]

Hey @Gio2018 . LGTM. It looks like all the widgets now have the text in the correct order.

[Gio2018]

Thanks for reviewing @ScoutHarris ! Yeah it seems that they finally got it 😄