fix(providers): Ensure working on nvim-0.7

This commit removed the ability to receive symbols from all attached
clients in the current buffer. Everything works as before when only one
client is attached to a buffer.

This also fixes outline LSP finding clients on nvim-0.7

lua/outline/help.lua

@@ -140,7 +140,7 @@ function M.show_status(ctx)
     if p.get_status then
       table.insert(lines, 'Provider info:')
       table.insert(lines, '')
-      for _, line in ipairs(p.get_status()) do
+      for _, line in ipairs(p.get_status(ctx.provider_info)) do
         table.insert(lines, indent .. line)
       end
     end