Preallocate some buffers based on flamegraph #393
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rsheeter
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Before,
fontcglyphs2fontir::toir::to_ir_contours_and_components (1 samples, 0.92%)` showing the usual vec growth fns.After, can't find to_ir_contours_and_components in the flamegraph for GlyphIrWork at all.
Also avoid the clone in
src_path.nodes.clone().