[Zephyr] Clear SRP host and services on factory reset (#33501) (#33502)

Added clearing SRP host and services when factory reset is
requested.

(cherry picked from commit 5cc49f7)

Author: ArekBalysNordic

src/platform/Zephyr/ConfigurationManagerImpl.cpp

@@ -183,6 +183,10 @@ void ConfigurationManagerImpl::DoFactoryReset(intptr_t arg)
 {
     ChipLogProgress(DeviceLayer, "Performing factory reset");
 
+#if CHIP_DEVICE_CONFIG_ENABLE_THREAD_SRP_CLIENT
+    ThreadStackMgr().ClearAllSrpHostAndServices();
+#endif // CHIP_DEVICE_CONFIG_ENABLE_THREAD_SRP_CLIENT
+
 // Lock the Thread stack to avoid unwanted interaction with settings NVS during factory reset.
 #ifdef CONFIG_NET_L2_OPENTHREAD
     ThreadStackMgr().LockThreadStack();