Debugger: Fix environment when initializing

Previously when detecting / checking debuggers the process would be
started with the Host environment set. This was incorrect for remote
debuggers.

Change-Id: Icd210dbfc9437e9abd2e0c4248e5503129bf6d8b
Reviewed-by: hjk <hjk@qt.io>

src/plugins/debugger/debuggeritemmanager.cpp

@@ -296,7 +296,7 @@ DebuggerItemConfigWidget::DebuggerItemConfigWidget()
         DebuggerItem item;
         item.setCommand(m_binaryChooser->filePath());
         errorMessage->clear();
-        item.reinitializeFromFile({}, errorMessage);
+        item.reinitializeFromFile(errorMessage);
         return errorMessage->isEmpty();
     });
     m_binaryChooser->setAllowPathFromDevice(true);