Fix whitespace issues in all files of the repository

[Holzhaus]

I know we have a "no mass reformattings policy" but this only affects a few files with such issues and merge conflicts should be neglible. Then we don't have to disable these hooks globally on CI anymore.

[coveralls]

Pull Request Test Coverage Report for Build 1132429177

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.02%) to 25.998%

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Totals
Change from base Build 1127725238:	0.02%
Covered Lines:	20016
Relevant Lines:	76991

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💛 - Coveralls

[Holzhaus]

pre-commit fails due to eslint issues, but that is expected. I'm not going to fix all controller scripts without access to the hardware :D

[uklotzde]

Verified locally that all checks pass except clang-format and eslint as expected. Thank you! LGTM