Widget Media Selector Fails in Production with "Cannot read properties of undefined ('mediaFilesSele

Hello,I am encountering a critical issue with the Widget Properties dialog in my Kentico 13 production environment. This is specifically affecting the Media Selector component used within widget configurations.The issue is strictly environment-specific; it works flawlessly in our Development and Staging environments.The error in the console is :- VM703:9 Uncaught TypeError: Cannot read properties of undefined (reading 'mediaFilesSelector') at @ anonymous @:9:37 at @ anonymous @:11:3 at kentico-abtest-varia…4.entry.js:1:347529 at NodeList.forEach (@ anonymous @) at L (kentico-abtest-varia…4.entry.js:1:347274) at Ka.renderNewMarkup (kentico-abtest-varia….entry.js:1:1046699) at Ka.formMarkupChanged (kentico-abtest-varia….entry.js:1:1047426) at index-487129cb.js:1:8038 at Array.map (@ anonymous @) at index-487129cb.js:1:8021and this.getString is not a function at yf.render (kentico-abtest-variant-listing_44.entry.js:1:1169537) at F (index-487129cb.js:1:6289) at D (index-487129cb.js:1:6125) at index-487129cb.js:1:5508 at _ (index-487129cb.js:1:7497) at A (index-487129cb.js:1:5499) at Array.@ anonymous @ (index-487129cb.js:1:5359) at me (index-487129cb.js:2:543) at pe (index-487129cb.js:2:605) @ kentico-single-file-selector class= @hydrated@ @ @ /kentico-single-file-selector @