feat: Seeding constness improvements

[CarloVarni]

Trying to move to const in the seeding... this is the first step but cannot yet go further than this

[codecov]

Codecov Report

Merging #1923 (181f6a9) into main (c43b62e) will not change coverage.
The diff coverage is 0.00%.

@@           Coverage Diff           @@
##             main    #1923   +/-   ##
=======================================
  Coverage   49.53%   49.53%           
=======================================
  Files         408      408           
  Lines       22705    22705           
  Branches    10362    10362           
=======================================
  Hits        11247    11247           
  Misses       4249     4249           
  Partials     7209     7209           

Impacted Files	Coverage Δ
Core/include/Acts/Seeding/SeedFilter.hpp	0.00% <ø> (ø)
Core/include/Acts/Seeding/SeedFilter.ipp	0.00% <0.00%> (ø)
Core/include/Acts/Seeding/SeedFinder.ipp	0.00% <0.00%> (ø)
Core/include/Acts/Seeding/SeedFinderUtils.ipp	0.00% <0.00%> (ø)

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[github-actions]

📊 Physics performance monitoring for 181f6a9

Full report
Seeding: seeded, truth estimated, orthogonal
CKF: seeded, truth smeared, truth estimated, orthogonal
IVF: seeded, truth smeared, truth estimated, orthogonal
Ambiguity resolution: seeded, orthogonal
Truth tracking
Truth tracking (GSF)

Vertexing

Vertexing vs. mu

IVF seeded

IVF truth_smeared

IVF truth_estimated

IVF orthogonal

Seeding

Seeding seeded

Seeding truth_estimated

Seeding orthogonal

CKF

CKF seeded

CKF truth_smeared

CKF truth_estimated

CKF orthogonal

Ambiguity resolution

seeded

Truth tracking (Kalman Filter)

Truth tracking

Truth tracking (GSF)

Truth tracking