nvim: remove cwd workarounds and fix it in project.nvim

https://github.com/ahmedkhalf/project.nvim/pull/89

.config/nvim/lua/my/coding.lua

@@ -78,5 +78,6 @@ require('gitsigns').setup({
 
 require('project_nvim').setup({
     patterns = require('my.functions').project_root_markers,
-    show_hidden = false
+    show_hidden = false,
+    fallback_buffer_dir = true
 })

.config/nvim/lua/my/tools.lua

@@ -23,8 +23,7 @@ local t_builtin = require('telescope.builtin')
 local my = require('my.functions')
 map('n', '<Leader>tb', t_builtin.buffers, 'Buffers')
 map('n', '<Leader>tf', function()
-    t_builtin.find_files({ cwd = my.get_project_root() or
-        vim.fn.expand("%:p:h", true) }) -- fall back to current dir
+    t_builtin.find_files({ cwd = my.get_project_root() })
 end, 'Files')
 map('n', '<Leader>tF', t_builtin.find_files, 'Files in cw')
 map('n', '<Leader>to', t_builtin.oldfiles, 'Recently opened files')