GUI refactoring to make it more readable and easier to maintain

Everything is documented at https://www.notion.so/qim-dtu/GUI-base-classes-e8a5b71eb414485d8cc03b137bb42087

requested review from @fima

assigned to @s233039

added 5 commits

• b43fb74c...26c0cb24 - 4 commits from branch main
• 4b10416b - Merge branch 'main' into 'gui-refactoring'

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added 4 commits

• 41abf724 - Fix annotation tool for ipynb
• 46711c4f - Merge branch 'gui-refactoring' of lab.compute.dtu.dk:QIM/tools/qim3d into gui-refactoring
• eb2f153e - Try
• 62419dd1 - Annotation tool size fix

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added 5 commits

• 62419dd1...eb290d1e - 4 commits from branch main
• d8a5aeb1 - Merge branch 'main' into gui-refactoring

Compare with previous version

approved this merge request

merged

mentioned in commit f156a3cf