fix: load file content from opened buffer (#1081)
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				@ -274,6 +274,16 @@ end
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function FileSelector:get_selected_files_contents()
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  local contents = {}
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  for _, file_path in ipairs(self.selected_filepaths) do
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    --- lookup loaded buffer firstly
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    local bufnr = vim.fn.bufnr(file_path)
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    if bufnr ~= -1 then
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      local lines = vim.api.nvim_buf_get_lines(bufnr, 0, -1, false)
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      local content = table.concat(lines, "\n")
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      local filetype = vim.api.nvim_get_option_value("filetype", { buf = bufnr })
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      table.insert(contents, { path = file_path, content = content, file_type = filetype })
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      goto continue
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    end
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    local file, open_err = io.open(file_path, "r")
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    if open_err then Utils.debug("error reading file:", open_err) end
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@ -289,6 +299,7 @@ function FileSelector:get_selected_files_contents()
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      table.insert(contents, { path = file_path, content = content, file_type = filetype })
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    end
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    ::continue::
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  end
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  return contents
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end
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