MLBEDSW-10420 Fix GraphIrOptimiser::RewriteDepthwise
Only tensor storage shape was updated in rewrite, however the
connection shape needs to be updated as well.
Change-Id: I7adf5deb4d0041b92dc4be9a8395e87433b164db
Signed-off-by:
Fredrik Svedberg <fredrik.svedberg@arm.com>