Changes

remsim: make client tests work in testenv

* Prevent osmo-remsim-client-shell from closing immediately with "STDIN
  was closed, terminating".

* Fix REMSIM_Tests.cfg:
  * move mp_ to proper section
  * proper IP

Change-Id: I91b08b9bfde11f4600993b18ece1e810b61ed904

testenv: fix building osmo-remsim with osmo-dev

Use --disable-remsim-client-ifdhandler as configure argument for
osmo-remsim. We don't need this for running tests and this prevents the
buildsystem from trying to write to /usr/lib/pcsc/drivers/ which fails
the build.

Change-Id: I3b00e5301433476bd19de3814943878f918c1fa0

Cosmetic: testenv/testdir: fix formatting

This wasn't caught by previous ruff versions, fix it.

Change-Id: Ib770ee2e14811777efdb2c5867b29ba379abde7c

stp: TC_tmt_loadshare*: Use new vty command 'binding-table reset'

Reset the eSLS binding table state before starting the test, to run it
with a clean state.

This test also fixes TC_unknown_client_dynamic_tmt_loadshare since it
now resets the table after connecting the 2nd dynamic ASP, which allows
re-distributing all seeds in the table into the new available set of
ASPs.

Depends: libosmo-sigtran.git Change-Id I56c34072a9ded42c13dbfc105a0ab3353ca353ec
Change-Id: I40b7724edcc06a3df641e316be4770d0e56bb72d