Move check config to the corresponding systems and clearer error messages

[svchb]

based on #1052

[codecov]

Codecov Report

❌ Patch coverage is 82.53968% with 11 lines in your changes missing coverage. Please review.
✅ Project coverage is 89.24%. Comparing base (56dfe41) to head (97995f9).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/general/semidiscretization.jl	76.47%	4 Missing ⚠️
src/schemes/boundary/open_boundary/system.jl	77.77%	2 Missing ⚠️
...chemes/fluid/implicit_incompressible_sph/system.jl	81.81%	2 Missing ⚠️
src/schemes/boundary/wall_boundary/system.jl	87.50%	1 Missing ⚠️
src/schemes/fluid/fluid.jl	80.00%	1 Missing ⚠️
...c/schemes/structure/total_lagrangian_sph/system.jl	92.30%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1053      +/-   ##
==========================================
- Coverage   89.28%   89.24%   -0.04%     
==========================================
  Files         121      121              
  Lines        8920     8930      +10     
==========================================
+ Hits         7964     7970       +6     
- Misses        956      960       +4     

Flag	Coverage Δ
total	89.24% <82.53%> (-0.04%)	⬇️
unit	65.35% <68.25%> (-0.01%)	⬇️

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[svchb]

/run-gpu-tests

[svchb]

/run-gpu-tests

[svchb]

/run-gpu-tests

[svchb]

/run-gpu-tests