Index currentStatus field in task collection (#707)

Author: jbern0rd

CHANGELOG.md

@@ -15,6 +15,7 @@ All notable changes to this project will be documented in this file.
 - Move `PublicConfiguration` class from `iexec-common` to `iexec-core-library`. (#699)
 - Create `ConfigServerClient` instance and use it. (#700)
 - Allow up to 32 task updates at a given time. (#703)
+- Index `currentStatus` field in `task` collection. (#707)
 
 ### Bug Fixes
 

src/main/java/com/iexec/core/task/Task.java

@@ -75,6 +75,7 @@ public class Task {
     private String dappName;
     private String commandLine;
     private long initializationBlockNumber;
+    @Indexed
     @Field(CURRENT_STATUS_FIELD_NAME)
     private TaskStatus currentStatus;
     private int trust;