fix(popup): set modifiable failed when vim.api.nvim_buf_set_lines (#575)

Author: AlejandroSuero

lua/plenary/popup/init.lua

@@ -123,9 +123,7 @@ function popup.create(what, vim_options)
     assert(bufnr, "Failed to create buffer")
 
     vim.api.nvim_buf_set_option(bufnr, "bufhidden", "wipe")
-    if vim.o.modifiable == false then
-      vim.api.nvim_buf_set_option(bufnr, "modifiable", true)
-    end
+    vim.api.nvim_buf_set_option(bufnr, "modifiable", true)
 
     -- TODO: Handle list of lines
     if type(what) == "string" then

lua/plenary/window/border.lua

@@ -216,6 +216,7 @@ function Border:__align_calc_config(content_win_options, border_win_options)
   -- Update border characters and title_ranges
   self.contents, self.title_ranges = Border._create_lines(self.content_win_id, content_win_options, border_win_options)
 
+  vim.api.nvim_buf_set_option(self.bufnr, "modifiable", true)
   vim.api.nvim_buf_set_lines(self.bufnr, 0, -1, false, self.contents)
 
   local thickness = border_win_options.border_thickness