Ddg node vis interactions

[everett980]

Which problem is this PR solving?

• Unable to deep dive into part of DDG of interest and unable to hide part of DDG not of interest.

Short description of the changes

• Add ability to to focus on paths through a given node.
• Add ability to show/hide parents/children of a given node.
• Add ability to hide a given node.

[codecov]

Codecov Report

Merging #483 into master will increase coverage by 0.15%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #483      +/-   ##
==========================================
+ Coverage   92.31%   92.47%   +0.15%     
==========================================
  Files         193      193              
  Lines        4492     4611     +119     
  Branches     1072     1101      +29     
==========================================
+ Hits         4147     4264     +117     
- Misses        303      305       +2     
  Partials       42       42

Impacted Files	Coverage Δ
...ui/src/components/DeepDependencies/Graph/index.tsx	100% <ø> (ø)	⬆️
...er-ui/src/model/ddg/sample-paths.test.resources.js	100% <100%> (ø)	⬆️
...aeger-ui/src/components/DeepDependencies/index.tsx	100% <100%> (ø)	⬆️
...c/model/ddg/GraphModel/getDerivedViewModifiers.tsx	100% <100%> (ø)	⬆️
...ui/src/components/DeepDependencies/index.track.tsx	100% <100%> (ø)	⬆️
packages/jaeger-ui/src/model/ddg/PathElem.tsx	100% <100%> (ø)	⬆️
...kages/jaeger-ui/src/model/ddg/GraphModel/index.tsx	100% <100%> (ø)	⬆️
...ts/DeepDependencies/Graph/DdgNodeContent/index.tsx	100% <100%> (ø)	⬆️
...eViewer/TimelineHeaderRow/TimelineViewingLayer.tsx	88.13% <0%> (-3.39%)	⬇️

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