further rewrites, interface fixes, added temporary icon

data/resources/ui/checklist.blp

@@ -424,6 +424,12 @@ template $ChecklistPage: Box {
                 margin-bottom: 4;
               }
 
+              ToggleButton uriel {
+                name: "uriel";
+                label: _("Uriel");
+                margin-bottom: 4;
+              }
+
               ToggleButton valkyr {
                 name: "valkyr";
                 label: _("Valykr");
@@ -944,6 +950,18 @@ template $ChecklistPage: Box {
                   margin-bottom: 4;
               }
 
+              ToggleButton uriel_prime {
+                name: "uriel_prime";
+                label: _("Uriel Prime");
+                margin-bottom: 4;
+                can-target: false;
+                can-focus: false;
+
+                styles [
+                  "disabled",
+                ]
+              }
+
               ToggleButton valkyr_prime {
                   name: "valkyr_prime";
                   label: _("Valykr Prime");