Update task names and logging test for hashgnn

Author: breakanalysis

algo/src/main/java/org/neo4j/gds/embeddings/hashgnn/HashGNNFactory.java

@@ -76,7 +76,7 @@ public Task progressTask(Graph graph, CONFIG config) {
                     config.embeddingDensity() * (1 + 1 + numRelTypes)
                 ),
                 Tasks.leaf(
-                    "Propagate embeddings iteration",
+                    "Perform min-hashing",
                     (2 * graph.nodeCount() + graph.relationshipCount()) * config.embeddingDensity()
                 )
             ),

algo/src/main/java/org/neo4j/gds/embeddings/hashgnn/MinHashTask.java

@@ -82,7 +82,7 @@ static void compute(
         TerminationFlag terminationFlag,
         MutableLong totalNumFeaturesOutput
     ) {
-        progressTracker.beginSubTask("Propagate embeddings iteration");
+        progressTracker.beginSubTask("Perform min-hashing");
 
         progressTracker.setSteps(config.embeddingDensity() * graphs.get(0).nodeCount());
 
@@ -109,7 +109,7 @@ static void compute(
 
         totalNumFeaturesOutput.add(tasks.stream().mapToLong(MinHashTask::totalNumFeatures).sum());
 
-        progressTracker.endSubTask("Propagate embeddings iteration");
+        progressTracker.endSubTask("Perform min-hashing");
     }
 
     @Override