Policy: Add space character to chrome://policy page statuses

This improves chrome://policy page readability.

Screenshot of new chrome://policy page UI:
https://screenshot.googleplex.com/3W4hzapHNNCqttn

Bug: 1121478
Change-Id: Iee2d059d35cc00057bf5f3bfed9fa352ba8a7d1d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2414257
Commit-Queue: Nikita Podguzov <nikitapodguzov@chromium.org>
Reviewed-by: Julian Pastarmov <pastarmovj@chromium.org>
Cr-Commit-Position: refs/heads/master@{#807929}

components/policy/resources/webui/policy.css

@@ -115,6 +115,10 @@ fieldset + fieldset {
   margin-inline-start: 20px;
 }
 
+div.status-entry * {
+  white-space: pre-wrap
+}
+
 div.status-entry:not([hidden]) {
   display: flex;
   margin-bottom: .8em;

components/policy/resources/webui/policy_base.js

@@ -90,7 +90,7 @@ cr.define('policy', function() {
      */
     setLabelAndShow_(labelName, labelValue, needsToBeShown = true) {
       const labelElement = this.querySelector(labelName);
-      labelElement.textContent = labelValue || '';
+      labelElement.textContent = labelValue ? ' ' + labelValue : '';
       if (needsToBeShown) {
         labelElement.parentElement.hidden = false;
       }