Unified search reault items icons get colored for too many cases

[AndyScherzinger]

⚠️ Before posting ⚠️

• This is a bug, not a question or an enhancement.
• I've searched for similar issues and didn't find a duplicate.
• I've written a clear and descriptive title for this issue, not just "Bug" or "Crash".
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Steps to reproduce

Found while testing #16417 @alperozturk96

1. trigger a unified search that has different types of results, see screenshot

Expected behaviour

properly colored icons

Actual behaviour

Android version

16

Device brand and model

OP13

Stock or custom OS?

Stock

Nextcloud android app version

master

Nextcloud server version

33.0.0RC2

Using a reverse proxy?

I don't know

Android logs

No response

Server error logs

Additional information

No response