Fixed text duplication issue on Samsung devices

[khaykov]

Fix

Test

1. [STEP_1]
2. [STEP_2]
3. [STEP_3]

Review

@[USER_NAME]

Make sure strings will be translated:

• [ ] If there are new strings that have to be translated, I have added them to the client's strings.xml as a part of the integration PR.

[kosancicivan]

Is this pr related to https://github.com/wordpress-mobile/AztecEditor-Android/issues/1026?

[khaykov]

@kosancicivan Yep, but it did not work out in the end.