[PR] Fix: patcher.py registry block passes wrong key to registry.patch [openserverless-operator]

["mobs75 (via GitHub)" <gi...@apache.org>]

mobs75 opened a new pull request, #103:
URL: https://github.com/apache/openserverless-operator/pull/103

   ## Summary
   
   In `nuvolaris/patcher.py`, the block guarded by `if "registry" in what_to_do` was incorrectly passing `what_to_do['milvus']` to `registry.patch()` instead of `what_to_do['registry']`.
   
   ## Root Cause
   
   This is a copy-paste error from the adjacent `milvus` block. The guard condition correctly checks for `"registry"`, but the dictionary access used the wrong key.
   
   ## Impact
   
   A `KeyError: 'milvus'` is raised in `whisk_update` whenever:
   1. The diff contains `spec.components.registry` (registry is added or changed)
   2. The diff does NOT contain `spec.components.milvus` (milvus is absent from `last-handled-configuration` or unchanged)
   
   This silently breaks any platform update that touches the registry component without simultaneously touching milvus.
   
   ## Fix
   
   One-line change: replace `what_to_do['milvus']` with `what_to_do['registry']` in the registry block.
   
   ## Testing
   
   Verified by code inspection that all other `what_to_do` accesses in `patcher.py` correctly match their guard conditions. This block was the only mismatch.


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