AutoTest: Replace QSharedPointer with std::shared_ptr

According to https://wiki.qt.io/Things_To_Look_Out_For_In_Reviews
QSharedPointer impl is poor and it's going to be removed from Qt 7.

Move TestParseResultPtr to the common place and don't repeat
this typedef.

Change-Id: Id8523b7898965ea9bfccb8a1bdc6a8ea23f090ed
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/autotest/itestparser.h

@@ -40,8 +40,6 @@ public:
     int column = 0;
 };
 
-using TestParseResultPtr = QSharedPointer<TestParseResult>;
-
 class ITestParser
 {
 public:

src/plugins/autotest/testtreeitem.h

@@ -29,6 +29,8 @@ class ITestConfiguration;
 class TestParseResult;
 enum class TestRunMode;
 
+using TestParseResultPtr = std::shared_ptr<TestParseResult>;
+
 class ITestTreeItem : public Utils::TypedTreeItem<ITestTreeItem>
 {
 public:

src/plugins/autotest/testtreemodel.cpp

@@ -685,7 +685,7 @@ void TestTreeModel::onParseResultsReady(const QList<TestParseResultPtr> &results
         QTC_ASSERT(framework, return);
         TestTreeItem *rootNode = framework->rootNode();
         QTC_ASSERT(rootNode, return);
-        handleParseResult(result.data(), rootNode);
+        handleParseResult(result.get(), rootNode);
     }
 }
 

src/plugins/autotest/testtreemodel.h

@@ -22,7 +22,6 @@ class TestCodeParser;
 } // namespace Internal
 
 class TestParseResult;
-using TestParseResultPtr = QSharedPointer<TestParseResult>;
 
 class AUTOTESTSHARED_EXPORT TestTreeModel : public Utils::TreeModel<Utils::TreeItem, ITestTreeItem>
 {