Use a separate execution thread to disable the OpenThread interface (#…

…22315)

* Test added march 8 (#15957)

* Added new manual scripts

* Added Auto generated File

* [OTA] Fix OTARequestorDriverImpl inclusion (#15981)

* Regen to fix CI failures (#15990)

* [ota] Store Default OTA Providers in flash (#15970)

* [ota] Store Default OTA Providers in flash

Store Default OTA Providers in flash each time the attribute
is modified and load it back on the application startup.

* Restyled by clang-format

* Fix build and reduce flash usage

Co-authored-by: Restyled.io <commits@restyled.io>

* Disable OpenThread interface in a separate execution thread

* Remove merge artifacts

* Restyled by clang-format

Co-authored-by: kowsisoundhar12 <57476670+kowsisoundhar12@users.noreply.github.com>
Co-authored-by: Carol Yang <clyang@apple.com>
Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>
Co-authored-by: Damian Królik <66667989+Damian-Nordic@users.noreply.github.com>
Co-authored-by: Restyled.io <commits@restyled.io>

src/platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.cpp

@@ -453,7 +453,11 @@ void GenericThreadStackManagerImpl_OpenThread<ImplClass>::_OnNetworkScanFinished
         // If Thread scanning was done before commissioning, turn off the IPv6 interface.
         if (otThreadGetDeviceRole(mOTInst) == OT_DEVICE_ROLE_DISABLED && !otDatasetIsCommissioned(mOTInst))
         {
-            otIp6SetEnabled(mOTInst, false);
+            DeviceLayer::SystemLayer().ScheduleLambda([this]() {
+                Impl()->LockThreadStack();
+                otIp6SetEnabled(mOTInst, false);
+                Impl()->UnlockThreadStack();
+            });
         }
 
         if (mpScanCallback != nullptr)