feat(backend): add filtering incoming payments by initiatedBy

bruno/collections/Rafiki/Rafiki Admin APIs/Get Incoming Payments.bru

@@ -0,0 +1,46 @@
+meta {
+  name: Get Incoming Payments
+  type: graphql
+  seq: 60
+}
+
+post {
+  url: {{RafikiGraphqlHost}}/graphql
+  body: graphql
+  auth: none
+}
+
+body:graphql {
+  query IncomingPayments($filter: IncomingPaymentFilter) {
+    incomingPayments(filter: $filter) {
+      edges {
+        node {
+          id
+          walletAddressId
+          client
+          state
+          expiresAt
+          incomingAmount {
+              value
+              assetCode
+              assetScale
+          }
+          receivedAmount {
+              value
+              assetCode
+              assetScale
+          }
+          metadata
+          createdAt
+        }
+        cursor
+      }
+    }
+  }
+}
+
+script:pre-request {
+  const scripts = require('./scripts');
+
+  scripts.addApiSignatureHeader();
+}