Inherit submodules from template repository content (#16237) (#33068)

Backport #16237 (it more likely a bug fix)

Co-authored-by: Steffen Schröter <steffen@vexar.de>

modules/git/tests/repos/repo4_submodules/objects/e1/e59caba97193d48862d6809912043871f37437

@@ -0,0 +1,2 @@
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