fix: replace glass dialog styling with solid background

Dialogs and settings window now use the standard background color
Removed dialog from the glass utility styles
Preserves existing glass effects for other surfaces

packages/ui/src/styles/design-system.css

@@ -209,7 +209,6 @@
      Utilities remain able to opt an individual consumer out. */
   .oc-glass-popover,
 .oc-glass-tooltip,
-.oc-glass-dialog,
 .oc-glass-panel {
   background-color: color-mix(in srgb, var(--oc-glass-color) var(--oc-glass-opacity), transparent);
   -webkit-backdrop-filter: blur(var(--oc-glass-blur)) saturate(var(--oc-glass-saturation));
@@ -226,10 +225,6 @@
   --oc-glass-opacity: var(--oc-glass-tooltip-opacity);
 }
 
-.oc-glass-dialog {
-  --oc-glass-color: var(--surface-background);
-}
-
 .oc-glass-panel {
   --oc-glass-color: var(--surface-muted);
 }
@@ -262,7 +257,6 @@
 @supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
   .oc-glass-popover,
   .oc-glass-tooltip,
-  .oc-glass-dialog,
   .oc-glass-panel {
     background-color: var(--oc-glass-color);
   }
@@ -271,7 +265,6 @@
 @media (prefers-reduced-transparency: reduce) {
   .oc-glass-popover,
   .oc-glass-tooltip,
-  .oc-glass-dialog,
   .oc-glass-panel,
   .oc-glass-backdrop {
     -webkit-backdrop-filter: none;
@@ -280,7 +273,6 @@
 
   .oc-glass-popover,
   .oc-glass-tooltip,
-  .oc-glass-dialog,
   .oc-glass-panel {
     background-color: var(--oc-glass-color);
   }