My ui component xml code, here after selecting image file the loader comes and file is uploaded to the respective dir based on controller but the preview not element not appears in Magento 2.4.8 but the same is working in Magento 2.4.7-p5
Icon File
fileUploader
fileUploader
Allowed file types: jpg, jpeg, gif, png.
2097152
jpg jpeg gif png svg
50
aw_countdown/rule/uploadImage
in logs only this comes
[2025-05-12T13:56:01.966169+00:00] main.ERROR: Unable to resolve the source file for ‘adminhtml/Magento/backend/en_US/underscore-umd.js.map’ [] []
[2025-05-12T13:56:01.966412+00:00] main.CRITICAL: Unable to resolve the source file for ‘adminhtml/Magento/backend/en_US/underscore-umd.js.map’ [] []
[2025-05-12T13:56:03.006770+00:00] main.ERROR: Unable to resolve the source file for ‘adminhtml/Magento/backend/en_US/jquery/uppy/dist/uppy.min.js.map’ [] []
[2025-05-12T13:56:03.007048+00:00] main.CRITICAL: Unable to resolve the source file for ‘adminhtml/Magento/backend/en_US/jquery/uppy/dist/uppy.min.js.map’ [] []