Merge branch 'zindexes-fix' into 'develop'

Fix various issues related to z-indexes

See merge request pleroma/pleroma-fe!1617

src/App.scss

@@ -5,12 +5,12 @@
   --navbar-height: 3.5rem;
   --post-line-height: 1.4;
   // Z-Index stuff
-  --ZI_media_modal: 90000;
-  --ZI_modals_popovers: 85000;
-  --ZI_modals: 80000;
-  --ZI_navbar_popovers: 75000;
-  --ZI_navbar: 70000;
-  --ZI_popovers: 60000;
+  --ZI_media_modal: 9000;
+  --ZI_modals_popovers: 8500;
+  --ZI_modals: 8000;
+  --ZI_navbar_popovers: 7500;
+  --ZI_navbar: 7000;
+  --ZI_popovers: 6000;
 }
 
 html {
@@ -141,6 +141,11 @@ nav {
   grid-area: sidebar;
 }
 
+#modal {
+  position: absolute;
+  z-index: var(--ZI_modals);
+}
+
 .column.-scrollable {
   top: var(--navbar-height);
   position: sticky;

src/components/global_notice_list/global_notice_list.vue

@@ -29,10 +29,10 @@
 
 .global-notice-list {
   position: fixed;
-  top: 50px;
+  top: calc(var(--navbar-height) + 0.5em);
   width: 100%;
   pointer-events: none;
-  z-index: var(--ZI_popovers);
+  z-index: var(--ZI_navbar_popovers);
   display: flex;
   flex-direction: column;
   align-items: center;