fix: remove duplicate color dot from connection selector trigger

SelectValue already renders the color dot from the selected item,
so the explicit one in the trigger was redundant.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/components/connections/ConnectionSelector.tsx

@@ -22,23 +22,13 @@ export function ConnectionSelector() {
     );
   }
 
-  const activeConn = connectedList.find((c) => c.id === activeConnectionId);
-
   return (
     <Select
       value={activeConnectionId ?? undefined}
       onValueChange={setActiveConnectionId}
     >
       <SelectTrigger className="h-7 w-[200px] text-xs">
-        <div className="flex items-center gap-1.5">
-          {activeConn?.color && (
-            <span
-              className="h-2.5 w-2.5 shrink-0 rounded-full"
-              style={{ backgroundColor: activeConn.color }}
-            />
-          )}
-          <SelectValue placeholder="Select connection" />
-        </div>
+        <SelectValue placeholder="Select connection" />
       </SelectTrigger>
       <SelectContent>
         {connectedList.map((conn) => (