Refactor and add comment for dedupe operation entries

src/app/core/json-patch/json-patch-operations.reducer.ts

@@ -351,16 +351,22 @@ function addOperationToList(body: JsonPatchOperationObject[], actionType, target
       newBody.push(makeOperationEntry({ op: JsonPatchOperationType.move, from: fromPath, path: targetPath }));
       break;
   }
-  return dedupeOperationEntry(newBody);
+  return dedupeOperationEntries(newBody);
 }
 
-function dedupeOperationEntry(body: JsonPatchOperationObject[]): JsonPatchOperationObject[] {
-  const upo = new Map<string, any>();
+/**
+ * Dedupe operation entries by op and path. This prevents processing unnecessary patches in a single PATCH request.
+ *
+ * @param body JSON patch operation object entries
+ * @returns deduped JSON patch operation object entries
+ */
+function dedupeOperationEntries(body: JsonPatchOperationObject[]): JsonPatchOperationObject[] {
+  const ops = new Map<string, any>();
   for (let i = body.length - 1; i >= 0; i--) {
     const patch = body[i].operation;
     const key = `${patch.op}-${patch.path}`;
-    if (!upo.has(key)) {
-      upo.set(key, patch);
+    if (!ops.has(key)) {
+      ops.set(key, patch);
     } else {
       body.splice(i, 1);
     }