Plasma Desktop, GNOME desktop & and login managers screen broken since mesa 25 roll out
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### Describe your issue
#### What's the expected behaviour?
Updating major packages like mesa has no influence on the UI
#### What's the current behaviour?
The update to mesa 25 broke the UI of GDM & Gnome desktop on my goole-kukui/krane
#### How to reproduce your issue?
Do a new install to USB and boot
### What device are you using?
google-krane
### On what postmarketOS version did you encounter the issue?
<!--
Replace space inside `[ ]` with `x` to fill the checkbox
-->
* [x] edge (`master` branch)
* [ ] `v24.12`
* [ ] `v24.06` (supported until 2025-01-23)
* [x] I confirm that the issue still is present after running `sudo apk upgrade -a`
### On what environment did you encounter the issue?
#### Environments
* [ ] COSMIC
* [ ] GNOME Shell on Mobile
* [ ] Phosh
* [ ] Plasma Mobile
* [ ] Sxmo (Wayland/Sway) **Please post the output of `sxmo_version.sh`**
* [x] Other: gnome-desktop, plasma-desktop
### Which init system are you using?
* [ ] OpenRC
* [x] systemd
### How did you get postmarketOS image?
* [ ] from https://images.postmarketos.org
* [x] I built it using pmbootstrap
* [ ] It was preinstalled on my device
### What's the build date of the image? (in yyyy-mm-dd format)
20250502-0328-postmarketOS-edge-plasma-desktop-3-google-kukui.img
### Additional information
in the GDM screen the mouse-cursor is still displayed correctly. instead of the background these ladderlike structures from the right show up/

Also dmesg is flooded with messages like this:
```
[Sun May 4 16:05:06 2025] mtk_iommu_isr: 323363 callbacks suppressed
[Sun May 4 16:05:06 2025] mtk-iommu 10205000.iommu: fault type=0x5 iova=0xfc9f8c01 pa=0x0 master=0x0(larb=0 port=0) layer=1 read
[Sun May 4 16:05:06 2025] mtk-iommu 10205000.iommu: fault type=0x5 iova=0xfca90c00 pa=0x0 master=0x0(larb=0 port=0) layer=0 read
[Sun May 4 16:05:06 2025] mtk-iommu 10205000.iommu: fault type=0x5 iova=0xfcaa3c00 pa=0x0 master=0x0(larb=0 port=0) layer=0 read
[Sun May 4 16:05:06 2025] mtk-iommu 10205000.iommu: fault type=0x5 iova=0xfcab6c00 pa=0x0 master=0x0(larb=0 port=0) layer=0 read
[Sun May 4 16:05:06 2025] mtk-iommu 10205000.iommu: fault type=0x5 iova=0xfcac9c00 pa=0x0 master=0x0(larb=0 port=0) layer=0 read
[Sun May 4 16:05:06 2025] mtk-iommu 10205000.iommu: fault type=0x5 iova=0xfcadcc00 pa=0x0 master=0x0(larb=0 port=0) layer=0 read
[Sun May 4 16:05:06 2025] mtk-iommu 10205000.iommu: fault type=0x5 iova=0xfcaefc00 pa=0x0 master=0x0(larb=0 port=0) layer=0 read
[Sun May 4 16:05:06 2025] mtk-iommu 10205000.iommu: fault type=0x5 iova=0xfcb02c00 pa=0x0 master=0x0(larb=0 port=0) layer=0 read
[Sun May 4 16:05:06 2025] mtk-iommu 10205000.iommu: fault type=0x5 iova=0xfcb0cc00 pa=0x0 master=0x0(larb=0 port=0) layer=0 read
[Sun May 4 16:05:06 2025] mtk-iommu 10205000.iommu: fault type=0x5 iova=0xfcb1fc00 pa=0x0 master=0x0(larb=0 port=0) layer=0 read
```
This device gas a Mali G72 GPU which is not yet supported by vulkan, disabling vulkan did not solve this problem.
issue