[MeasureGui] Use temporary measure object creation (#15122)

* MeasureGui: Store measure type in TaskMeasure

* MeasureGui: Avoid adding measurement to document during command interaction

* [Gui] Add check for document in VPDocumentObject::getActiveView

* MeasureGui: Track the document when adding objects

* MeasureGui: Cleanup python measurement creation

* [Gui] Add isAnnotationViewProvider method

* [Gui] Check if viewprovider is added as an annotation in getActiveView

* [Gui] Add takeAnnotationViewprovider method to Gui::Document

* [Gui] Make addViewProvider public

* [MeasureGui] Add existing view provider to document when storing measurement

* [MeasureGui] Fix invocation of initial label placement

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

src/Gui/ViewProviderDocumentObject.cpp

@@ -401,6 +401,18 @@ Gui::MDIView* ViewProviderDocumentObject::getActiveView() const
 {
     if(!pcObject)
         throw Base::RuntimeError("View provider detached");
+
+    if (!pcObject->isAttachedToDocument()) {
+        // Check if view provider is attached to a document as an annotation
+        for (auto doc : App::GetApplication().getDocuments()) {
+            auto guiDoc = Gui::Application::Instance->getDocument(doc);
+            if (guiDoc->isAnnotationViewProvider(this)) {
+                return guiDoc->getActiveView();
+            }
+        }
+        return nullptr;
+    }
+
     App::Document* pAppDoc = pcObject->getDocument();
     Gui::Document* pGuiDoc = Gui::Application::Instance->getDocument(pAppDoc);
     return pGuiDoc->getActiveView();