Make container optional

[vjik]

Q	A
Is bugfix?	❌
New feature?	✔️
Breaks BC?	❌

[what-the-diff]

PR Summary

• Enhancement for flexibility in the project
  The update allows the use of container components to be optional. This improves flexibility in how you can use or configure the components of our project.

• Making parameters option in the Factory
  The change in the Factory allows the 'container' variable to be nullable. This means you can choose to not include it when using this portion of the code.

• Updating methods in FactoryInternalContainer
  Updates to the 'get' and 'has' methods now allow for checks on container presence to use the null-safe operator. This checks if the container variable exists and is not null before using it, avoiding any potential errors.

• Improved testing for the Factory component
  A new test has been added to check how objects are created and maintained their uniqueness. This helps ensure that our Factory component is doing its job effectively and correctly.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (53d1a90) 100.00% compared to head (9ccda20) 100.00%.

Additional details and impacted files

@@             Coverage Diff             @@
##              master      #198   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
  Complexity        42        42           
===========================================
  Files              3         3           
  Lines             95        95           
===========================================
  Hits              95        95           

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