This thread is resolved. Here is a description of the problem and solution.
Problem: Dynamic text prefix from Button missing in Translation editor's Translation
Solution: Please update WPML and its addons to their latest releases.
This is the technical support forum for WPML - the multilingual WordPress plugin.
Everyone can read, but only WPML clients can post here. WPML team is replying on the forum 6 days per week, 22 hours per day.
This topic is split from https://wpml.org/forums/topic/wpml-elementor-buttons-not-translating-the-before-after-text/