Protect FT decoding from misordered links

Louis Henryrequested to merge
lohenry-protect-against-misordered-links into 2024-patches

Related to Allen!1546 (merged).

Ensures links are in the correct order and report occurences of misordered links. Solves misordered clusters seen in run 289077.

@ahennequ @sstahl @gunther @gligorov

Edited by Louis Henry

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