Remove "None" text from empty goals and add padding to + Goal button

- When no goals are linked, just show the "+ Goal" button without
  displaying "None" text
- Add left margin to the "+ Goal" button when goals exist above it
  for better visual spacing

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

ui/src/components/ProjectProperties.tsx

@@ -424,9 +424,7 @@ export function ProjectProperties({ project, onUpdate, onFieldUpdate, getFieldSa
           alignStart
           valueClassName="space-y-2"
         >
-          {linkedGoals.length === 0 ? (
+          {linkedGoals.length > 0 && (
-            <span className="text-sm text-muted-foreground">None</span>
-          ) : (
             <div className="flex flex-wrap gap-1.5">
               {linkedGoals.map((goal) => (
                 <span
@@ -456,7 +454,7 @@ export function ProjectProperties({ project, onUpdate, onFieldUpdate, getFieldSa
                 <Button
                   variant="outline"
                   size="xs"
-                  className="h-6 w-fit px-2"
+                  className={cn("h-6 w-fit px-2", linkedGoals.length > 0 && "ml-1")}
                   disabled={availableGoals.length === 0}
                 >
                   <Plus className="h-3 w-3 mr-1" />