This made no change to my issue, sadly.
For those scenarios where some Analysis OLAP reports are delivered within the SAP Portal, while others are delivered via the BI Launchpad, then do *not* set the property in #1. Instead you need to change the links to each Analysis OLAP workspace in the SAP Portal. Specifically, in the SAP BusinessObjects category, add quirks=true& to the Application Parameters field, as shown in the screenshot below. If there are other parameters you add them after the quirks=true& entry
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I attempted to try option 2 to change the file openDocCallbackAsApplication.js
However there was only one instance of:
window.frames.openDocChildFrame.document.location=postURL;
so I did not change it, exploring option 1 now... I have an incident open with SAP also, I'll update the thread when they solve it