Bug 1571937: Relax CSP for images on about:devtools to allow loading https images.r=jdescottes

Differential Revision: https://phabricator.services.mozilla.com/D41210

--HG--
extra : moz-landing-system : lando

devtools/client/aboutdebugging-new/index.html

@@ -7,7 +7,7 @@
     <meta charset="utf-8" />
     <title>Debugging</title>
     <meta http-equiv="Content-Security-Policy"
-      content="default-src chrome: resource:; img-src data: chrome: resource:" />
+      content="default-src chrome: resource:; img-src data: chrome: resource: https:" />
     <link rel="icon" type="image/png" href="chrome://browser/skin/developer.svg">
     <link rel="stylesheet" href="chrome://devtools/content/aboutdebugging-new/aboutdebugging.css"/>
     <script src="resource://devtools/client/aboutdebugging-new/initializer.js"></script>