Debugger: Activate split that contains the breakpoint being hit

Do not change the current editor after hitting a breakpoint if we
already have an editor open in another split, but switch the focus to
that split.

Task-number: QTCREATORBUG-24646
Change-Id: Id85cecdfb522807bafa097e578509853326a2e31
Reviewed-by: hjk <hjk@qt.io>

src/plugins/debugger/debuggerengine.cpp

@@ -1088,9 +1088,11 @@ void DebuggerEngine::gotoLocation(const Location &loc)
     const QString file = loc.fileName().toString();
     const int line = loc.lineNumber();
     bool newEditor = false;
-    IEditor *editor = EditorManager::openEditor(
-                file, Id(),
-                EditorManager::IgnoreNavigationHistory | EditorManager::DoNotSwitchToDesignMode,
+    IEditor *editor = EditorManager::openEditor(file,
+                                                Id(),
+                                                EditorManager::IgnoreNavigationHistory
+                                                    | EditorManager::DoNotSwitchToDesignMode
+                                                    | EditorManager::SwitchSplitIfAlreadyVisible,
                                                 &newEditor);
     QTC_ASSERT(editor, return); // Unreadable file?