Detect circular references in sketches, and add corresponding tests (#11716)

* Possible fix for 10482 circular reference regression with tests

* Remove redundant test

* Cleanup pre PR

* [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>

src/App/ObjectIdentifier.cpp

@@ -1725,8 +1725,6 @@ Py::Object ObjectIdentifier::access(const ResolveResults &result,
         else if(lastObj) {
             const char *attr = components[idx].getName().c_str();
             auto prop = lastObj->getPropertyByName(attr);
-            if(!prop && !pyobj.hasAttr(attr))
-                attr = nullptr;
             setPropDep(lastObj,prop,attr);
             lastObj = nullptr;
         }