plugin/explorer: use version with fixed position

flake.lock

@@ -50,11 +50,29 @@
         "type": "github"
       }
     },
+    "nvim-tree-lua": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1663635041,
+        "narHash": "sha256-5n8dAMHWImhgtVjXic8wnV33l7VWLzRXM0W22Uk76vo=",
+        "owner": "kyazdani42",
+        "repo": "nvim-tree.lua",
+        "rev": "f6ce6e59625947fc9192f3dc40c25519cf29b137",
+        "type": "github"
+      },
+      "original": {
+        "owner": "kyazdani42",
+        "ref": "1553-wrong-align-on-open-dir",
+        "repo": "nvim-tree.lua",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "editorconfig-nvim": "editorconfig-nvim",
         "lspsaga-nvim": "lspsaga-nvim",
         "nixpkgs": "nixpkgs",
+        "nvim-tree-lua": "nvim-tree-lua",
         "tabby-nvim": "tabby-nvim",
         "telescope-live-grep-args-nvim": "telescope-live-grep-args-nvim",
         "utils": "utils"

flake.nix

@@ -3,6 +3,11 @@
     nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
     utils.url = "github:numtide/flake-utils";
 
+    nvim-tree-lua = {
+      url = "github:kyazdani42/nvim-tree.lua/1553-wrong-align-on-open-dir";
+      flake = false;
+    };
+
     tabby-nvim = {
       url = "github:nanozuki/tabby.nvim?rev=916c9e56d043906a441cd9f905e2ca1f5c4dddb0";
       flake = false;
@@ -28,6 +33,7 @@
     utils.lib.eachDefaultSystem (system:
       let
         inputPlugins = [
+          "nvim-tree-lua"
           "tabby-nvim"
           "editorconfig-nvim"
           "telescope-live-grep-args-nvim"