Refactor handling of path Prefix and Exact

[aledbf]

What this PR does / why we need it:

Replaces #6440

fixes #6437
fixes #6449

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Which issue/s this PR fixes

How Has This Been Tested?

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I've read the CONTRIBUTION guide
• I have added tests to cover my changes.
• All new and existing tests passed.

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aledbf

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• OWNERS [aledbf]

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[codecov-io]

Codecov Report

Merging #6443 (87c4ce9) into master (ca7db0e) will decrease coverage by 0.20%.
The diff coverage is 36.63%.

@@            Coverage Diff             @@
##           master    #6443      +/-   ##
==========================================
- Coverage   55.81%   55.61%   -0.21%     
==========================================
  Files          89       90       +1     
  Lines        6358     6421      +63     
==========================================
+ Hits         3549     3571      +22     
- Misses       2369     2409      +40     
- Partials      440      441       +1     

Impacted Files	Coverage Δ
cmd/nginx/main.go	4.23% <0.00%> (-0.07%)	⬇️
internal/ingress/controller/nginx.go	28.91% <ø> (ø)
internal/k8s/main.go	48.21% <0.00%> (-0.88%)	⬇️
internal/ingress/controller/location.go	17.14% <17.14%> (ø)
...ternal/ingress/annotations/sessionaffinity/main.go	57.77% <28.57%> (ø)
internal/ingress/annotations/annotations.go	80.88% <33.33%> (ø)
internal/ingress/controller/controller.go	46.99% <33.33%> (+0.06%)	⬆️
internal/ingress/controller/store/store.go	58.94% <36.36%> (-0.11%)	⬇️
internal/ingress/controller/util.go	55.26% <50.00%> (-2.81%)	⬇️
internal/ingress/status/status.go	68.70% <54.54%> (-1.37%)	⬇️
... and 8 more

---

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[k8s-ci-robot]

@aledbf: The following test failed, say /retest to rerun all failed tests:

Test name	Commit	Details	Rerun command
pull-ingress-nginx-test-lua	88a8c0d	link	/test pull-ingress-nginx-test-lua

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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[aledbf]

/test pull-ingress-nginx-e2e-1-16

[aledbf]

/test pull-ingress-nginx-e2e-1-17
/test pull-ingress-nginx-e2e-1-18
/test pull-ingress-nginx-e2e-1-19