replaced authentik with generic oidc provider

ui/src/scss/_base.scss

@@ -385,6 +385,7 @@ a,
 .inline-flex {
     position: relative;
     display: inline-flex;
+    vertical-align: top;
     align-items: center;
     flex-wrap: wrap;
     min-width: 0;

ui/src/scss/_form.scss

@@ -453,8 +453,9 @@ select {
         align-items: center;
         user-select: none;
         font-weight: 600;
-        color: var(--txtHintColor);
         font-size: var(--smFontSize);
+        letter-spacing: 0.1px;
+        color: var(--txtHintColor);
         line-height: 1;
         padding-top: 12px;
         padding-bottom: 3px;

ui/src/scss/_layout.scss

@@ -342,6 +342,7 @@
     overflow-x: hidden;
     overflow-y: auto; // fallback
     overflow-y: overlay;
+    scroll-behavior: smooth;
     .overlay-active & {
         overflow-y: hidden; // prevent double scrollbar
     }