Revert accidental one theme changes (#17273)

Co-authored-by: Peter Tripp <peter@zed.dev>

assets/themes/one/one.json

@@ -8,9 +8,8 @@
       "appearance": "dark",
       "style": {
         "border": "#464b57ff",
-        ""
-        // "border.variant": "#363c46ff",
-        // "border.focused": "#293b5bff",
+        "border.variant": "#363c46ff",
+        "border.focused": "#293b5bff",
         "border.selected": "#293b5bff",
         "border.transparent": "#00000000",
         "border.disabled": "#414754ff",