misc: refactor imports, prefer adding helpers to args rather than importing it

plugins/languages/treesitter/rainbow-delimiters.nix

@@ -1,12 +1,11 @@
 {
-  pkgs,
   lib,
+  helpers,
   config,
+  pkgs,
   ...
 }:
-with lib; let
-  helpers = import ../../helpers.nix {inherit lib;};
-in {
+with lib; {
   # TODO those warnings have been added XX/XX/2023
   # -> Remove them in ~ 1 month (oct. 2023)
   imports =

plugins/languages/treesitter/treesitter-context.nix

@@ -1,12 +1,12 @@
 {
-  pkgs,
   lib,
+  helpers,
   config,
+  pkgs,
   ...
 }:
 with lib; let
   cfg = config.plugins.treesitter-context;
-  helpers = import ../../helpers.nix {inherit lib;};
 in {
   # Those warnings were introduced on 08/25/2023. TODO: remove them in October 2023.
   imports = let

plugins/languages/treesitter/treesitter-refactor.nix

@@ -1,12 +1,11 @@
 {
-  pkgs,
-  config,
   lib,
+  helpers,
+  config,
+  pkgs,
   ...
 }:
-with lib; let
-  helpers = import ../../helpers.nix {inherit lib;};
-in {
+with lib; {
   options.plugins.treesitter-refactor = let
     disable = mkOption {
       type = types.listOf types.str;

plugins/languages/treesitter/treesitter.nix

@@ -1,12 +1,12 @@
 {
-  pkgs,
   lib,
+  helpers,
   config,
+  pkgs,
   ...
 }:
 with lib; let
   cfg = config.plugins.treesitter;
-  helpers = import ../../helpers.nix {inherit lib;};
 in {
   options = {
     plugins.treesitter = {

plugins/languages/treesitter/ts-context-commentstring.nix

@@ -1,12 +1,11 @@
 {
-  pkgs,
   lib,
+  helpers,
   config,
+  pkgs,
   ...
 }:
-with lib; let
-  helpers = import ../../helpers.nix {inherit lib;};
-in {
+with lib; {
   options.plugins.ts-context-commentstring =
     helpers.extraOptionsOptions
     // {