Change camelCase parameters in archivePV request to lowercase

Archiver seems to expect lowercase parameters in the archivePV request.
As the AA processor used camelCase, Archiver ignored the specified
archiving configuration.

Author: kristjansoln

src/main/java/org/phoebus/channelfinder/processors/aa/ArchivePVOptions.java

@@ -2,6 +2,7 @@
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
 
 import java.util.List;
 import java.util.logging.Level;
@@ -12,7 +13,9 @@ public class ArchivePVOptions {
     private static final Logger logger = Logger.getLogger(ArchivePVOptions.class.getName());
 
     private String pv;
+    @JsonProperty("samplingmethod")
     private String samplingMethod;
+    @JsonProperty("samplingperiod")
     private String samplingPeriod;
     private String policy;
     @JsonIgnore

src/test/java/org/phoebus/channelfinder/processors/AAChannelProcessorTest.java

@@ -114,7 +114,7 @@ void archivePVJson() throws JsonProcessingException {
         ObjectMapper objectMapper = new ObjectMapper();
         String str = objectMapper.writeValueAsString(List.of(ar1, ar2));
 
-        String expectedString = "[{\"pv\":\"sim://testing1\",\"samplingMethod\":\"MONITOR\",\"samplingPeriod\":\"1.0\"},{\"pv\":\"sim://testing2\",\"samplingMethod\":\"SCAN\",\"samplingPeriod\":\"0.2\"}]";
+        String expectedString = "[{\"pv\":\"sim://testing1\",\"samplingmethod\":\"MONITOR\",\"samplingperiod\":\"1.0\"},{\"pv\":\"sim://testing2\",\"samplingmethod\":\"SCAN\",\"samplingperiod\":\"0.2\"}]";
         Assertions.assertEquals(str, expectedString);
 
         // Only a pv name