Fix package of Formatter

[koppor]

Refs #14280

I think, the issue is right. Somehow the class Formatter was not moved.

This only applies the refactorings of IntelliJ. No other change.

Steps to test

One could check with https://github.com/tsantalis/RefactoringMiner for correctness.

Mandatory checks

• I own the copyright of the code submitted and I license it under the MIT license
• [/] I manually tested my changes in running JabRef (always required)
• [/] I added JUnit tests for changes (if applicable)
• [/] I added screenshots in the PR description (if change is visible to the user)
• [/] I described the change in CHANGELOG.md in a way that is understandable for the average user (if change is visible to the user)
• [/] I checked the user documentation: Is the information available and up to date? If not, I created an issue at https://github.com/JabRef/user-documentation/issues or, even better, I submitted a pull request updating file(s) in https://github.com/JabRef/user-documentation/tree/main/en.

[koppor]

Funny JBang output - some package renaming did not get through somewhere...

Can be ignored.

Error: Exception in thread "main" java.lang.VerifyError: Bad type on operand stack
Exception Details:
  Location:
    org/jabref/logic/importer/util/MetaDataParser.<clinit>()V @31: invokespecial
  Reason:
    Type 'org/jabref/logic/formatter/bibtexfields/NormalizePagesFormatter' (current frame, stack[3]) is not assignable to 'org/jabref/logic/cleanup/Formatter'
  Current Frame:
    bci: @31
    flags: { }
    locals: { }
    stack: { uninitialized 17, uninitialized 17, 'org/jabref/model/entry/field/StandardField', 'org/jabref/logic/formatter/bibtexfields/NormalizePagesFormatter' }
  Bytecode:
    0000000: 1208 b801 ccb3 004c 1301 d2b8 01d4 b301
    0000010: 4ebb 01d8 59b2 01da bb01 e059 b701 e2b7
    0000020: 01e3 bb01 d859 b201 e6bb 01e9 59b7 01eb
    0000030: b701 e3bb 01d8 59b2 01ec bb01 ef59 b701
    0000040: f1b7 01e3 bb01 d859 b201 f2bb 01f8 59b7
    0000050: 01fa b701 e3b8 01fb b301 abb1          

	at org.jabref.logic.importer.fileformat.BibtexParser.<init>(BibtexParser.java:120)
	at org.jabref.logic.importer.fileformat.BibtexParser.<init>(BibtexParser.java:125)
	at org.jabref.logic.importer.fileformat.pdf.PdfEmbeddedBibFileImporter.<init>(PdfEmbeddedBibFileImporter.java:35)