fix: resize group images

[progmatic-99]

Needed for frontend#7761

[codecov]

Codecov Report

Merging #8273 (581969c) into development (d9653e7) will decrease coverage by 0.03%.
The diff coverage is 39.13%.

@@               Coverage Diff               @@
##           development    #8273      +/-   ##
===============================================
- Coverage        65.70%   65.67%   -0.04%     
===============================================
  Files              306      306              
  Lines            15843    15865      +22     
===============================================
+ Hits             10410    10419       +9     
- Misses            5433     5446      +13     

Impacted Files	Coverage Δ
app/api/helpers/tasks.py	19.52% <25.00%> (+0.17%)	⬆️
app/api/groups.py	75.00% <44.44%> (-4.37%)	⬇️
app/api/schema/groups.py	100.00% <100.00%> (ø)
app/models/group.py	85.29% <100.00%> (+0.44%)	⬆️

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[maze-runnar]

looking into it.

[maze-runnar]

[progmatic-99]

The banner image also needs to be resized.

[maze-runnar]

I have done the changes, that are required similarly they are handled on event page.

[maze-runnar]

We have to keep one original image, and at the time banner url is that original img for us

[progmatic-99]

Did you check the size of both thumbnail and banner image ? Are they downsized??

[maze-runnar]

Thumbnail yes, and we are not resizing banner. Will explain more in meeting if you have doubts.

[progmatic-99]

@mariobehling said that banner image also has to be resized in the meeting, you were not in the meeting that day.