fix: better elif conditions for obj __init__ methods

[Saransh-cpp]

Description

The elif condition missed checking for the longitudinal and temporal arguments.

Checklist

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Before Merging

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[codecov-commenter]

Codecov Report

Base: 82.67% // Head: 82.67% // No change to project coverage 👍

Coverage data is based on head (d1e25bd) compared to base (9310cd4).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #316   +/-   ##
=======================================
  Coverage   82.67%   82.67%           
=======================================
  Files          96       96           
  Lines       11424    11424           
=======================================
  Hits         9445     9445           
  Misses       1979     1979           

Impacted Files	Coverage Δ
src/vector/backends/object.py	74.85% <100.00%> (ø)

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