* in IDE:
# open `modules/in-bulletin/units/polls/polls_config.php` file for editing
# change `Image` field declaration to add `storage_format` field option with `resize:100x100` value
# save changes
* in Admin Console:
# go to the {nav Website & Content > Polls} section
# click on `Add` toolbar button
# in the `Image` field upload an image larger, than 100x100 and with filesize larger than 1MB
# confirm that in uploader control the resized file size is shown
# in the `I# to confirm that the image` field upload an image larger, than opened after clicking on the thumbnail preview actually was resized to 100x100px by one of the sides
# confirm, that in uploader control the resized file size is shown# go to the {nav Logs & Reports > System Log} section
# confirm, that image opened after clicking on the thumbnail preview actually was resized to 100px by one of the sidesthe `filesize(): stat failed for ...` warning isn't shown anymore