Authorization fails for Name Request accounts

**Describe the bug in current situation**
Authorization fails for Name Request accounts. This is due to the fact that pay-api sends the product-code as a header parameter and auth-api is expecting this header parameter for partner applications. Due to some recent refactoring this wasn't accounted and causes issue when an authenticated Name Request user does a transaction. For now, a workaround has been applied in PROD to treat the Name Request as a partner application.

**Link bug to the User Story**

**Impact of this bug**
All the NR authenticated users with more than one user in account would fail

**Chance of Occurring (high/medium/low/very low)**
High

**Pre Conditions: which Env, any pre-requesites or assumptions to execute steps?**

**Steps to Reproduce**
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2. Click on '....'
3. Scroll down to '....'
4. See error

**Actual/ observed behavior/ results**

**Expected behavior**
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**Screenshots/ Visual Reference/ Source**
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