Interlis Import only works when the user owns all triggers

[cymed]

Describe the bug
Interlis Import only works when the user owns all triggers, otherwise drop_symbology_functions runs into an error

To Reproduce
Exact steps to reproduce the behavior:

1. Alter Ownership of one trigger to another user (i.e. on_reach_point_update)
2. Try Import
3. See error

Expected behavior
Import working

Screenshots / data
sqlalchemy.exc.ProgrammingError: (psycopg2.errors.InsufficientPrivilege) must be owner of relation reach_point CONTEXT: SQL statement "DROP TRIGGER IF EXISTS on_reach_point_update ON tww_od.reach_point" PL/pgSQL function tww_sys.drop_symbology_triggers() line 3 at SQL statement [SQL: SELECT tww_sys.drop_symbology_triggers();] (Background on this error at: https://sqlalche.me/e/14/f405)

Desktop (please complete the following information):

• TEKSI plugin version: dev
• TEKSI datamodel version: dev
• TEKSI project file version: 2024_01_15
• QGIS Version - see the About menu: 3.28.11
• Postgres: 12.17
• Postgis: POSTGIS="3.0.0 r17983" [EXTENSION] PGSQL="120" GEOS="3.8.0-CAPI-1.13.1 " PROJ="6.3.1" LIBXML="2.9.4" LIBJSON="0.13.1" LIBPROTOBUF="1.3.3" WAGYU="0.4.3 (Internal)"
• OS: Windows

I deleted the statement timeout option temporarily (see #76)

Additional context

[cymed]

Why do we drop the symbology triggers instead of disabling and re-enabling them anyway?

[cymed]

To be solved by #88. Changes tested.

[sjib]

Reopened - as not yet merged

[3nids]

should be fixed in last plugin demo, please re-open if needed