feat(table): replace nvim_buf_get_lines with node:line

Author: MaxDillon

lua/render-markdown/render/markdown/table.lua

@@ -254,14 +254,10 @@ function Render:compute_layout()
             end
         end
         -- Raw buffer line screen-wrap: ceil(display_width_of_source / win_width)
-        local buf_line = vim.api.nvim_buf_get_lines(
-            self.context.buf,
-            row.node.start_row,
-            row.node.start_row + 1,
-            false
-        )[1] or ''
+        local _, line = row.node:line('first', 0)
+        line = line or ''
         local raw_screen_lines =
-            math.max(1, math.ceil(str.width(buf_line) / win_width))
+            math.max(1, math.ceil(str.width(line) / win_width))
         if raw_screen_lines > max_lines then
             max_lines = raw_screen_lines
             needs_wrap = true
@@ -619,12 +615,8 @@ function Render:row_wrapped(row, row_index)
         return line
     end
 
-    local buf_line = vim.api.nvim_buf_get_lines(
-        self.context.buf,
-        row.node.start_row,
-        row.node.start_row + 1,
-        false
-    )[1] or ''
+    local _, buf_line = row.node:line('first', 0)
+    buf_line = buf_line or ''
     local win_width = env.win.width(self.context.win)
     local buf_screen_lines =
         math.max(1, math.ceil(str.width(buf_line) / win_width))