Show progress in GUI for consistency check

[Siedlerchr]

Is your suggestion for improvement related to a problem? Please describe.
Opening the new Bibliography consistency check on a large library can will take some time. There is no progress.

Describe the solution you'd like
There should be a progress bar showing something like processing entry 1 out of 123456...

Additional context
Pass a progress callback to the check method

jabref/src/main/java/org/jabref/logic/quality/consistency/BibliographyConsistencyCheck.java

Line 36 in ed4ca48

public Result check(List<BibEntry> entries) {

show a progress bar in the background task using the onRunning method

[D-I-R-M]

/assign-me

[github-actions]

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