fix: ignore stale coordinate data for panels + convert wavyline to use new qt 6.12 canvas painter api

Plugins/ZShell/Blobs/blobmaterial.hpp

@@ -17,11 +17,6 @@ struct BlobRectData {
 	// Bitmask of indices in this rect's m_cachedRects that mutually exclude (or are excluded by) this rect.
 	// Used by the shader to skip smin between excluded pairs.
 	int excludeMask = 0;
-	// Whether this entry is pushing on the bar edge. Only the shape that is pushing can
-	// shape the edge; a shape at rest still fills its own area, but the shader gives it
-	// no contribution inside the border strip, so it cannot add its own outline to a span
-	// another shape is shaping.
-	bool source = true;
 };
 
 class BlobMaterial : public QSGMaterial {