Warning for links

[mavaylon1]

Motivation

What was the reasoning behind this change? Please explain the changes briefly.

Create a warning if linked objects are not already present in a parent when the original container's parent is set, stemming from the fact when objects that have links are added to containers (NWBFiles), the links are not added.

The Fix: Add a warning in the parent setter to search through the children of the original object for DynamicTableRegion and check the target table for a parent. If the parent is not set, raise a warning.

Original issue: NeurodataWithoutBorders/pynwb#1701

How to test the behavior?

Show how to reproduce the new behavior (can be a bug fix or a new feature)

Run tests for container.py

Checklist

• Did you update CHANGELOG.md with your changes?
• Have you checked our Contributing document?
• Have you ensured the PR clearly describes the problem and the solution?
• Is your contribution compliant with our coding style? This can be checked running ruff from the source directory.
• Have you checked to ensure that there aren't other open Pull Requests for the same change?
• Have you included the relevant issue number using "Fix #XXX" notation where XXX is the issue number? By including "Fix #XXX" you allow GitHub to close issue #XXX when the PR is merged.

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (5269c1f) 88.20% compared to head (2873115) 88.21%.

Additional details and impacted files

@@           Coverage Diff           @@
##              dev     #891   +/-   ##
=======================================
  Coverage   88.20%   88.21%           
=======================================
  Files          44       44           
  Lines        9070     9076    +6     
  Branches     2596     2599    +3     
=======================================
+ Hits         8000     8006    +6     
  Misses        756      756           
  Partials      314      314           

Impacted Files	Coverage Δ
src/hdmf/container.py	90.98% <100.00%> (+0.06%)	⬆️

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[mavaylon1]

Fix #885

[oruebel]

@mavaylon1 in general for PR's it would be useful it you could fill in out the PR form to clarify the reasoning for the PR , checklist etc.