fix(api): use copy.node instead of copy.name

ref #1461

Author: kyazdani42

doc/nvim-tree-lua.txt

@@ -995,7 +995,7 @@ exists.
     - cut
     - paste
     - print_clipboard
-    - copy.name
+    - copy.node
     - copy.absolute_path
     - copy.filename
     - copy.relative_path

lua/nvim-tree/api.lua

@@ -40,7 +40,7 @@ Api.fs.rename_sub = inject_node(require("nvim-tree.actions.fs.rename-file").fn(t
 Api.fs.cut = inject_node(require("nvim-tree.actions.fs.copy-paste").cut)
 Api.fs.paste = inject_node(require("nvim-tree.actions.fs.copy-paste").paste)
 Api.fs.print_clipboard = require("nvim-tree.actions.fs.copy-paste").print_clipboard
-Api.fs.copy.name = inject_node(require("nvim-tree.actions.fs.copy-paste").copy)
+Api.fs.copy.node = inject_node(require("nvim-tree.actions.fs.copy-paste").copy)
 Api.fs.copy.absolute_path = inject_node(require("nvim-tree.actions.fs.copy-paste").copy_absolute_path)
 Api.fs.copy.filename = inject_node(require("nvim-tree.actions.fs.copy-paste").copy_filename)
 Api.fs.copy.relative_path = inject_node(require("nvim-tree.actions.fs.copy-paste").copy_path)