merge: #10733

10733: Add activatedElementInstanceKeys to modification record template r=saig0 a=remcowesterhoud

## Description

<!-- Please explain the changes you made here. -->
Adds the new `activatedElementInstanceKeys` to the modification record template for ElasticSearch.

## Related issues

<!-- Which issues are closed by this PR or are related -->

closes #10732 



Co-authored-by: Remco Westerhoud <remco@westerhoud.nl>

exporters/elasticsearch-exporter/src/main/resources/zeebe-record-process-instance-modification-template.json

@@ -2,7 +2,9 @@
   "index_patterns": [
     "zeebe-record_process-instance-modification_*"
   ],
-  "composed_of": ["zeebe-record"],
+  "composed_of": [
+    "zeebe-record"
+  ],
   "priority": 20,
   "version": 1,
   "template": {
@@ -48,6 +50,9 @@
                   }
                 }
               }
+            },
+            "activatedElementInstanceKeys": {
+              "type": "long"
             }
           }
         }

protocol-impl/src/main/java/io/camunda/zeebe/protocol/impl/record/value/processinstance/ProcessInstanceModificationRecord.java

@@ -80,6 +80,13 @@ public List<ProcessInstanceModificationActivateInstructionValue> getActivateInst
         .toList();
   }
 
+  @Override
+  public Set<Long> getActivatedElementInstanceKeys() {
+    return activatedElementInstanceKeys.stream()
+        .map(LongValue::getValue)
+        .collect(Collectors.toSet());
+  }
+
   /** Returns true if this record has terminate instructions, otherwise false. */
   @JsonIgnore
   public boolean hasTerminateInstructions() {
@@ -104,12 +111,6 @@ public ProcessInstanceModificationRecord addActivateInstruction(
     return this;
   }
 
-  public Set<Long> getActivatedElementInstanceKeys() {
-    return activatedElementInstanceKeys.stream()
-        .map(LongValue::getValue)
-        .collect(Collectors.toSet());
-  }
-
   public ProcessInstanceModificationRecord addActivatedElementInstanceKey(final long key) {
     activatedElementInstanceKeys.add().setValue(key);
     return this;

protocol/src/main/java/io/camunda/zeebe/protocol/record/value/ProcessInstanceModificationRecordValue.java

@@ -19,6 +19,7 @@
 import io.camunda.zeebe.protocol.record.RecordValue;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 import org.immutables.value.Value;
 
 @Value.Immutable
@@ -32,6 +33,8 @@ public interface ProcessInstanceModificationRecordValue
   /** Returns a list of activate instructions (if available), or an empty list. */
   List<ProcessInstanceModificationActivateInstructionValue> getActivateInstructions();
 
+  Set<Long> getActivatedElementInstanceKeys();
+
   @Value.Immutable
   @ImmutableProtocol(
       builder = ImmutableProcessInstanceModificationTerminateInstructionValue.Builder.class)