Fixing Jumping Issue on PLP and SRLP

[del15881]

Description

Fixing the Page Jumping Issue on PLP and SRLP by fixing how variables are updated.

TODO: Describe your changes in detail here.

Related Issue

https://jira.corp.adobe.com/browse/PWA-3476

Closes #PWA-3476.

Acceptance

Verification Stakeholders

Specification

Verification Steps

Test scenario(s) for direct fix/feature

Test scenario(s) for any existing impacted features/areas

Test scenario(s) for any Magento Backend Supported Configurations

Is Browser/Device testing needed?

Any ad-hoc/edge case scenarios that need to be considered?

Screenshots / Screen Captures (if appropriate)

Breaking Changes (if any)

Checklist

• I have added tests to cover my changes, if necessary.
• I have added translations for new strings, if necessary.
• I have updated the documentation accordingly, if necessary.

[pwa-studio-bot]

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danger-results://tmp/danger-results.json

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danger-results://tmp/danger-results.json

Generated by 🚫 dangerJS against d42f03b

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	Warnings
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	Messages
📖	Associated JIRA tickets: PWA-3476.
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Error: Error: Cannot find module './.lighthouseci/assertion-results.json'
Require stack:
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ERROR ON TASK: lighthouseTests

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danger-results://tmp/danger-results-99235a7c.json

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[glo82145]

run pr-test

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Successfully started codebuild job for pr-test

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run scaffold-pwa

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Successfully started codebuild job for scaffold-pwa

[glo82145]

run pr-test

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Successfully started codebuild job for pr-test

[glo82145]

run pr-test

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Successfully started codebuild job for pr-test

[del15881]

closing this PR as changes are merged from #4487.