* citra_qt: Check if renderer is null
* core: Fix dynarmic use-after-free error
* bootmanager: Add current context check in DoneCurrent
* Loading a save state would destroy the frame dumper class, which contains a shared context. That context would call DoneCurrent without checking if it was actually bound or not, resulting in crashes when calling opengl functions
* externals: Correct glad readme
* common: Log renderer debug setting
* citra: Make lambda lower case
* Consistency with review comments on the PR
* video_core: Kill more global state
* GetResolutionScaleFactor would be called somewhere in the renderer constructor chain but it relies on the yet unitialized g_renderer, resulting in crashes when the resolution scale is set to auto. Rather than adding a workaround, let's kill this global state to fix this for good
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