Introduce Link component (#5122)

* Introduce Link component

* Use Link component for external links as well

* Remove unused file (I hope it's really not needed)

* Use Link component in visualizations library

* Simplify Link component implementation

* CR1

* Trigger build

* CR2

client/app/components/visualizations/visualizationComponents.jsx

@@ -1,6 +1,7 @@
 import React from "react";
 import { pick } from "lodash";
 import HelpTrigger from "@/components/HelpTrigger";
+import Link from "@/components/Link";
 import { Renderer as VisRenderer, Editor as VisEditor, updateVisualizationsSettings } from "@redash/viz/lib";
 import { clientConfig } from "@/services/auth";
 
@@ -11,6 +12,7 @@ function wrapComponentWithSettings(WrappedComponent) {
   return function VisualizationComponent(props) {
     updateVisualizationsSettings({
       HelpTriggerComponent: HelpTrigger,
+      LinkComponent: Link,
       choroplethAvailableMaps: {
         countries: {
           name: "Countries",