* MeasureGui: Revert temporary measure object creation
Reverts the temporary creation of measurement objects that was added in #15122
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* MeasureGui: Adress review comments
- Remove _mDocument and _mGuiDocument
- Replace c-style casts with dynamic_cast
- Add file guard
- Remove leftover canAnnotate method
* MeasureGui: Fix crash when selecting elements from different documents
* MeasureGui: Add additional type check in ensureGroup
* [pre-commit.ci] auto fixes from pre-commit.com hooks
for more information, see https://pre-commit.ci
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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
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