fix: circle icons was being cut off for some fonts

lua/lvim/icons.lua

@@ -78,7 +78,7 @@ return {
     ChevronShortLeft = "",
     ChevronShortRight = "",
     ChevronShortUp = "",
-    Circle = "",
+    Circle = " ",
     Close = "󰅖",
     CloudDownload = "",
     Code = "",