Fix Panic in Surface Configure (#4635) (0.18 backport) #4649
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Am I doing this right
#4635 has a "PR: Needs back-porting" tag
This is #4635 grafted (hg graft, not git cherry-pick, may not work the same way, I don't know, github marks the commit as "unverified" which makes sense because it's not really by @cwfitzgerald) onto the 0.18 branch
Checklist
cargo clippy
.cargo clippy --target wasm32-unknown-unknown
if applicable.Testing
I tested it with the code that was crashing in #4630 and it did not crash