Fix watches for interal variables and FBs in monitoring

[mx990]

The watches for internal variables and FBs need the resource and resource-relative name from the instance, since the respective elements are part of the type and not the instance hierarchy.

[github-actions[bot]]

Test Results

   110 files  ±0     110 suites  ±0   49s ⏱️ -1s 27 533 tests ±0  27 533 ✅ ±0  0 💤 ±0  0 ❌ ±0  27 534 runs  ±0  27 534 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 264c8273. ± Comparison against base commit b3d6324b.