feat: use code chevrons (#4184)

lua/lvim/icons.lua

@@ -73,11 +73,11 @@ return {
     DebugConsole = "",
     Calendar = "",
     Check = "",
-    ChevronRight = ">",
-    ChevronShortDown = "",
-    ChevronShortLeft = "",
-    ChevronShortRight = "",
-    ChevronShortUp = "",
+    ChevronRight = "",
+    ChevronShortDown = "",
+    ChevronShortLeft = "",
+    ChevronShortRight = "",
+    ChevronShortUp = "",
     Circle = "",
     Close = "󰅖",
     CloudDownload = "",