Dummy data (#16483)

* Dummy data

Address #15723 - still needs testing

* Updated ; to , in the CSV file

Updated as per @claudiosanches’ suggestion:
#16483 (comment)
3846

* update after testing

Deleted IDs because those kept causing conflicts

* updated with the new images

updated with the new images

* Updated xml file

Updated XML file:

* Deleted all unnecessary things
* All new product files
* Also images for categories added
* Renamed file

* file name change

consistent with tax dummy data - updated to “dummy-products” for the
xml file