Expire investment cache when its image changes #3913
Merged
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Background
We've added the option to remove an image from an investment. However,
removing the image did not expire the cache, so the rendered HTML still
included an
<image>
tag (which wouldn't show an image, since it hadbeen deleded) and a link to remove an image.
Objectives
Fix a bug resulting in an empty image being shown after removing it.
Visual Changes
Before these changes: