[mv3] Fix various minor quirks

Related issue:
- uBlockOrigin/uBOL-home#46

Also, patch Unicode flags in popup panel.

Author: gorhill

platform/mv3/extension/css/dashboard.css

@@ -59,7 +59,7 @@ iframe {
     border: 0;
     flex-grow: 1;
     margin: 0;
-    min-height: 800px;
+    min-height: 600px;
     padding: 0;
     }
 #unsavedWarning {

platform/mv3/extension/css/popup.css

@@ -131,7 +131,6 @@ body.needReload #refresh {
     font-size: 1em;
     font-weight: normal;
     margin: 0.5em 0 0.25em 0;
-    text-transform: capitalize;
     }
 #rulesetStats .rulesetDetails p {
     color: var(--ink-2);

platform/mv3/extension/js/popup.js

@@ -33,7 +33,7 @@ import {
 } from './ext.js';
 
 import { dom, qs$ } from './dom.js';
-import { i18n$ } from './i18n.js';
+import { i18n,  i18n$ } from './i18n.js';
 import punycode from './punycode.js';
 
 /******************************************************************************/
@@ -306,7 +306,7 @@ async function init() {
     const parent = qs$('#rulesetStats');
     for ( const details of popupPanelData.rulesetDetails || [] ) {
         const div = dom.clone('#templates .rulesetDetails');
-        dom.text(qs$(div, 'h1'), details.name);
+        qs$(div, 'h1').append(i18n.patchUnicodeFlags(details.name));
         const { rules, filters, css } = details;
         let ruleCount = rules.plain + rules.regex;
         if ( popupPanelData.hasOmnipotence ) {