Well arguably you can say Pakistan supported Saudis against Sadam's Iraq, against Shias in Bahrain and possibly against Yemenis.
You are partially correct.
Pakistan supported Iran, in Iran-Iraq war, because Iran too supported Pakistan, in India-Pak wars.
Pakistan not supported Saudis against Iraq. nor Bahrain as there were no wars.
There were some issues in that countries, but Pakistan did went against them
There were no Pakistani soldiers in Saudi lead coalition, but a retired general, you can say Pakistan partially supported Saudis against Yemen.
As for Saddam, not only Iranis, Iraqis were against dictator.
he started long war with Iran on US orders.
not only Irani mullah,but this dictator was too greedy for their own benefit
Bigger Islamic nations like KSA, Turkiye, Iran, Pakistan, Indonesia and Malaysia do not compromise on Islam.
Every one have their own interests, every one have their own issues in your lists, except Malaysia, Indonesia
As for Saudis, Saudis are waiting for Pakistan to recognize Israel, same Pakistan is waiting for same from Saudis. Nearly all countries who have little bit influence have recognize Israel except Pakistan, Saudi, Malaysia.