Move all status/alert dialogs into the Left Pane

ts/components/ExpiredBuildDialog.tsx

@@ -0,0 +1,34 @@
+import React from 'react';
+
+import { LocalizerType } from '../types/Util';
+
+interface PropsType {
+  hasExpired: boolean;
+  i18n: LocalizerType;
+}
+
+export const ExpiredBuildDialog = ({
+  hasExpired,
+  i18n,
+}: PropsType): JSX.Element | null => {
+  if (!hasExpired) {
+    return null;
+  }
+
+  return (
+    <div className="module-left-pane-dialog module-left-pane-dialog--error">
+      {i18n('expiredWarning')}
+      <div className="module-left-pane-dialog__actions">
+        <a
+          className="module-left-pane-dialog__link"
+          href="https://signal.org/download/"
+          rel="noreferrer"
+          tabIndex={-1}
+          target="_blank"
+        >
+          <button className="upgrade">{i18n('upgrade')}</button>
+        </a>
+      </div>
+    </div>
+  );
+};