Using target="_blank" when downloading annotations (#2813)

cvat-ui/src/components/cvat-app.tsx

@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2020-2021 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
@@ -326,7 +326,7 @@ class CVATApplication extends React.PureComponent<CVATAppProps & RouteComponentP
                                     </Switch>
                                 </GlobalHotKeys>
                                 {/* eslint-disable-next-line */}
-                                <a id='downloadAnchor' style={{ display: 'none' }} download />
+                                <a id='downloadAnchor' target='_blank' style={{ display: 'none' }} download />
                             </Layout.Content>
                         </Layout>
                     </GlobalErrorBoundary>

cvat-ui/src/components/global-error-boundary/global-error-boundary.tsx

@@ -20,6 +20,10 @@ import logger, { LogType } from 'cvat-logger';
 import CVATTooltip from 'components/common/cvat-tooltip';
 import consts from 'consts';
 
+interface OwnProps {
+    children: JSX.Element;
+}
+
 interface StateToProps {
     job: any | null;
     serverVersion: string;
@@ -62,7 +66,7 @@ function mapDispatchToProps(dispatch: ThunkDispatch): DispatchToProps {
     };
 }
 
-type Props = StateToProps & DispatchToProps;
+type Props = StateToProps & DispatchToProps & OwnProps;
 class GlobalErrorBoundary extends React.PureComponent<Props, State> {
     public constructor(props: Props) {
         super(props);

cvat-ui/src/components/labels-editor/styles.scss

@@ -33,6 +33,7 @@ textarea.ant-input.cvat-raw-labels-viewer {
     overflow-y: auto;
     min-height: 9em;
     flex-wrap: wrap;
+    align-items: baseline;
 }
 
 .cvat-constructor-viewer-item {