Andreas Kling 50e090071c WindowServer: Skip over destroyed windows in WindowSwitcher::draw() ...

I encountered a WindowServer crash due to null-pointer dereference in
this function, so let's protect against it by simply skipping over
nulled-out WeakPtrs.

I added a FIXME about how we ideally wouldn't be in this situation in
the first place, but that will require some more investigation.

2021-12-25 10:41:06 +01:00

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