SFI - Images - AspNetCore.Docs: Image fixes: All remaining sev: 18 images

[wadepickett]

Related to parent tracking issue for this repo: #33229

Fix remaining 18 images to be addressed.

Also see:
#33273 and PR#33501 for previous work on SFI flagged images for repo AspNetCore.Docs where I triaged our image list and found and deleted all orphaned images that were on the SFI list.

#33747 and PR #33748

Also See org instructions:
• Images - SFI update: action items inside! (Images) August 7, 2024 3:29 AM

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Associated WorkItem - 322928