Revert to UI5 1.128.0 to fix etag issue.

Author: mofterdinger

app/fiori.html

@@ -14,8 +14,8 @@
 		};
 	</script>
 
-	<script id="sap-ushell-bootstrap" src="https://sapui5.hana.ondemand.com/1.129.0/test-resources/sap/ushell/bootstrap/sandbox.js"></script>
-	<script id="sap-ui-bootstrap" src="https://sapui5.hana.ondemand.com/1.129.0/resources/sap-ui-core.js"
+	<script id="sap-ushell-bootstrap" src="https://sapui5.hana.ondemand.com/1.128.0/test-resources/sap/ushell/bootstrap/sandbox.js"></script>
+	<script id="sap-ui-bootstrap" src="https://sapui5.hana.ondemand.com/1.128.0/resources/sap-ui-core.js"
 			data-sap-ui-libs="sap.m, sap.ushell, sap.collaboration, sap.ui.layout"
 			data-sap-ui-compatVersion="edge"
 			data-sap-ui-theme="sap_horizon"

db/common.cds

@@ -10,6 +10,6 @@ type TechnicalBooleanFlag : Boolean @(
     Core.Computed
 );
 
-annotate Attachments with {
-    modifiedAt @(odata.etag: null);
-}
+// annotate Attachments with {
+//     modifiedAt @(odata.etag: null);
+// }