Activate implicit dependency-linking tasks for cells involved in sub_pairs

Same thing as !1438 (merged), but added the forgotten sub_pair tasks as condition to unskip *_in / *_out tasks for stars, BH, sinks, and RT.

assigned to @matthieu

changed the description

assigned to @bvandenbroucke and unassigned @matthieu

Looks good to me.

Running an EAGLE-25 test box as before just to see whether that missing dependency would have had an impact on earlier runs.

approved this merge request

mentioned in merge request !1353 (closed)

Tests show once again no difference on the EAGLE-25 box. i.e. this fixes a genuine bug but that had no real-world consequences thus far.

i.e. this fixes a genuine bug but that had no real-world consequences thus far.

"If a tree falls in a forest and no one is around to hear it, does it make a sound?"

changed title from Activate ghosts for cells involved in sub_pair tasks to Activate implicit dependency-linking tasks for cells involved in sub_pairs

added SPH bug labels

mentioned in commit 63aef290

merged