[bug] Fix crashing when a SNode is destroyed after taichi resets (#8393) #18766

Job	Run time
Show Environment Variables	9s
Check files	11s
Check Static Analyzer	19m 30s
Build and Test (GPU) (sm70, driver470)	1h 30m 22s
Build and Test (GPU) (sm70, driver510)	10m 53s
Build and Test (GPU) (not sm70, driver470)	24m 13s
Build and Test (GPU) (not sm70, driver510)	25m 32s
Build and Test macos (CPU) (macos-10.15, 3.7, ON, cpu,vulkan)	6m 51s
Build and Test (AMDGPU)	9m 1s
Build and Test (manylinux2014)	13m 41s
Build and Test Windows (sm70)	14m 57s
Build and Test (Apple M1) (macos-latest, 3.8)	8m 55s
Build and Test Windows (not sm70)	14m 28s
Build iOS C-API Static Library	4m 9s
AOT Build and Test Android Apps	6m 11s
AOT Build and Test Android Headless Demos	2m 24s
AOT Build and Test Android Unity Examples	4m 31s
AOT Build and Test (GPU) (self-hosted, cuda, vulkan, cn, driver470)	3m 47s
Build and Test (Docs)	1m 54s
AOT Build and Test (GPU) (self-hosted, cuda, vulkan, cn, driver510)	3m 40s
	4h 25m 19s

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