tabline/bufferline: fix default mode

lib/lua.nix

@@ -79,10 +79,7 @@ in rec {
               then toLuaObject v
               else "[${toLuaObject n}] = " + (toLuaObject v))
             (filterAttrs
-              (
-                _: v:
-                  (v != null) && (toLuaObject v != "{}")
-              )
+              (_: v: v != null)
               args)))
         + "}"
     else if isList args

modules/plugins/tabline/nvim-bufferline/nvim-bufferline.nix

@@ -23,7 +23,7 @@ in {
     setupOpts = mkPluginSetupOption "Bufferline-nvim" {
       mode = mkOption {
         type = enum ["tabs" "buffers"];
-        default = "tabs";
+        default = "buffers";
         description = "Mode to use for bufferline";
       };