fix: ImageView ctrl+wheel zoom direction

[MaierN]

PR fulfills these requirements

• [x] Best efforts were made to ensure docs/code are concise and coherent (checked for spelling/grammatical errors, commented out code, debug logs etc.)
• [x] Self-reviewed and ran all changes on a local instance (for bug fixes/features)

Change has impacts in these area(s)

(check all that apply)

• [ ] Product design
• [x] Frontend

What does this fix?

When zooming using ctrl+mouse wheel in an ImageView: The user expects to zoom in by scrolling up and zoom out by scrolling down. The opposite behavior was implemented.

Does this PR introduce a breaking change?

(check only one)

• [ ] Yes, and covered entirely by feature flag(s)
• [ ] Yes, and covered partially by feature flag(s)
• [x] No
• [ ] Not sure (briefly explain the situation below)