Revamp Histogram implementation

Support non-binned histograms if there are few unique values, better support integral types.

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This comes with a corresponding change to Plugin-PropertyVis (the only user of this so far) that uses the new API to also display histograms for int properties.

mentioned in merge request Plugin-PropertyVis!19 (merged)

This should be merged together with https://www.graphics.rwth-aachen.de:9000/OpenFlipper-Free/Plugin-PropertyVis/-/merge_requests/19

CI: https://www.graphics.rwth-aachen.de:9000/OpenFlipper-Free/OpenFlipper-Free/pipelines/14004

added 1 commit

• 95a2bc00 - pre-c++14 fix

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added 1 commit

• b60c7578 - pre-c++14 fix

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marked as a Work In Progress

changed the description

unassigned @moebius

unmarked as a Work In Progress

changed title from WIP: Revamp Histogram implementation: to Revamp Histogram implementation

assigned to @moebius

added 5 commits

• b60c7578...ef5a9b3c - 3 commits from branch master
• c76bdb54 - Revamp Histogram implementation:
• 7018a1c8 - pre-c++14 fix

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mentioned in commit ec13e8ca

merged