Commits

• Add descriptions to post-processing page (Stenzek)
• Remove 'Post Processing Chain' groupbox (Stenzek)
• Poll disconnected slots periodically (Stenzek)
• Device notification fixes (Stenzek)
• Fix heap overflow when shrinking DynamicHeapArray (Stenzek)
• 526b4a1: Clarify Swedish automatic setting descriptions (#3816) (Daniel Nylander) #3816