Bugfix/catalyst enum

[vincentmr]

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---

Context:
sc-47816

Description of the Change:
Revert GateOperation enum's BEGIN to start at 0. We then have to change the applyGenerator method of StateVectorKokkos to properly pass the throw test.

Benefits:

Possible Drawbacks:
applyGenerator a bit slower because we need to valid the op and throw.

Related GitHub Issues:

[github-actions]

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Please edit .github/CHANGELOG.md with:

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (0bce777) 97.74% compared to head (7f1b708) 99.34%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #521      +/-   ##
==========================================
+ Coverage   97.74%   99.34%   +1.60%     
==========================================
  Files         144      167      +23     
  Lines       17331    21918    +4587     
==========================================
+ Hits        16940    21775    +4835     
+ Misses        391      143     -248     

Files	Coverage Δ
pennylane_lightning/core/_version.py	100.00% <100.00%> (ø)
.../simulators/lightning_kokkos/StateVectorKokkos.hpp	99.75% <100.00%> (ø)
...s/gates/tests/Test_StateVectorKokkos_Generator.cpp	100.00% <100.00%> (ø)
...os/gates/tests/Test_StateVectorKokkos_NonParam.cpp	100.00% <100.00%> (ø)

... and 45 files with indirect coverage changes

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[maliasadi]

Thanks @vincentmr!