Bugfixing Data Foundations (#310)

* Bugfixing Data Foundations and impersonation support
- Fixed SA permissions
- Usage of impersonation to avoid SA private key export
- Fixed required API enablement
- Added FW rules required by dataflow
- Added provider for sa impersonation

tests/data_solutions/data_platform_foundations/test_plan.py

@@ -24,4 +24,4 @@ def test_resources(e2e_plan_runner):
   "Test that plan works and the numbers of resources is as expected."
   modules, resources = e2e_plan_runner(FIXTURES_DIR)
   assert len(modules) == 6
-  assert len(resources) == 45
+  assert len(resources) == 53