fix cat for rasterstacks

[tiemvanderdeure]

closes #1013

[codecov]

Codecov Report

❌ Patch coverage is 95.83333% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 84.06%. Comparing base (765f9ae) to head (f273626).
⚠️ Report is 80 commits behind head on main.

Files with missing lines	Patch %	Lines
src/array/methods.jl	95.23%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1014      +/-   ##
==========================================
+ Coverage   84.05%   84.06%   +0.01%     
==========================================
  Files          52       52              
  Lines        5135     5141       +6     
==========================================
+ Hits         4316     4322       +6     
  Misses        819      819              

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[rafaqz]

Do you want to run Documenter.doctest with fix=true ?

[tiemvanderdeure]

Yeah but I'm not sure if this PR is ready (or really necessary?). Didn't we have some more discussion in #1013 and figure out that the better fix is to comparedims?

[rafaqz]

Been a busy month I'm kind of lost where this ended up