Remove compact view preference and update related logic for improved clarity

src/browser/base/content/browser-xhtml.patch

@@ -1,8 +1,8 @@
 diff --git a/browser/base/content/browser.xhtml b/browser/base/content/browser.xhtml
-index 5dd337a2ffc9f9107d735f4dc96a50d57b12d213..58ecaf7136e13885ac38d74d40b5ef0f52cd7684 100644
+index ca8953f3604f4f70de76576964af5f3c733f17a0..a2731ef6d4392301217cd05f6583e4814f1118e2 100644
 --- a/browser/base/content/browser.xhtml
 +++ b/browser/base/content/browser.xhtml
-@@ -98,6 +98,8 @@
+@@ -101,6 +101,8 @@
  
    <title data-l10n-id="browser-main-window-title"></title>
  
@@ -11,7 +11,7 @@ index 5dd337a2ffc9f9107d735f4dc96a50d57b12d213..58ecaf7136e13885ac38d74d40b5ef0f
  # All JS files which are needed by browser.xhtml and other top level windows to
  # support MacOS specific features *must* go into the global-scripts.inc file so
  # that they can be shared with macWindow.inc.xhtml.
-@@ -141,6 +143,7 @@
+@@ -145,6 +147,7 @@
    window.addEventListener("DOMContentLoaded",
      gBrowserInit.onDOMContentLoaded.bind(gBrowserInit), { once: true });
  </script>
@@ -19,18 +19,18 @@ index 5dd337a2ffc9f9107d735f4dc96a50d57b12d213..58ecaf7136e13885ac38d74d40b5ef0f
  </head>
  <html:body xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
  # All sets except for popupsets (commands, keys, and stringbundles)
-@@ -162,9 +165,12 @@
+@@ -166,9 +169,12 @@
      </vbox>
    </html:template>
  
 -#include navigator-toolbox.inc.xhtml
 -
 -#include browser-box.inc.xhtml
-+  <hbox id="zen-main-app-wrapper" flex="1">
++  <hbox id="zen-main-app-wrapper" flex="1" persist="zen-compact-mode">
 +    #include navigator-toolbox.inc.xhtml
 +    <html:span id="zen-sidebar-box-container">
 +    </html:span>
-+    #include browser-box.inc.xhtml    
++    #include browser-box.inc.xhtml
 +  </hbox>
  
    <html:template id="customizationPanel">