Normalize desktop icon sizing (#999)

desktop/src/shared/ui/VideoPlayer.tsx

@@ -1627,7 +1627,7 @@ function VideoReviewDialog({
                           type="button"
                           onClick={() => setIsEmojiPickerOpen((open) => !open)}
                         >
-                          <SmilePlus className="pointer-events-none h-5 w-5" />
+                          <SmilePlus className="pointer-events-none h-4 w-4" />
                         </button>
                       </TooltipTrigger>
                       <TooltipContent>More reactions</TooltipContent>
@@ -1900,7 +1900,7 @@ function VideoReviewCommentBody({
         </p>
         {reactions.some((reaction) => reaction.reactedByCurrentUser) ? (
           <Check
-            className="ml-auto h-3.5 w-3.5 shrink-0 text-primary"
+            className="ml-auto h-4 w-4 shrink-0 text-primary"
             aria-hidden
           />
         ) : null}

desktop/src/shared/ui/import-status-icon.tsx

@@ -16,7 +16,9 @@ export function ImportStatusIcon({
 }) {
   switch (status) {
     case "importing":
-      return <Spinner className="h-4 w-4 shrink-0 text-muted-foreground" />;
+      return (
+        <Spinner className="h-4 w-4 shrink-0 border-2 text-muted-foreground" />
+      );
     case "done":
       return <Check className="h-4 w-4 shrink-0 text-green-500" />;
     case "error":

desktop/src/shared/ui/markdown.tsx

@@ -520,7 +520,7 @@ function MarkdownCodeBlock({
             type="button"
             variant="ghost"
           >
-            <Copy className="h-3.5 w-3.5" />
+            <Copy className="h-4 w-4" />
             <span className="sr-only">Copy code block</span>
           </Button>
         </TooltipTrigger>
@@ -579,7 +579,7 @@ function FileCard({
       className="my-1 inline-flex max-w-sm items-center gap-3 rounded-xl border border-border/70 bg-muted/40 px-3 py-2 text-left no-underline transition-colors hover:bg-muted/70"
     >
       <span className="flex h-9 w-9 shrink-0 items-center justify-center rounded-lg bg-background text-muted-foreground">
-        <FileText className="h-5 w-5" />
+        <FileText className="h-4 w-4" />
       </span>
       <span className="min-w-0 flex-1">
         <span className="block truncate text-sm font-medium text-foreground">