fix: Return to previous class when navigating back after Related records

[dblythy]

Closes #3349

After navigating A→B via Related records and pressing Back:

Before	After

Summary by CodeRabbit

• Bug Fixes
  • Updated the toolbar experience to show a simpler header without the back-link behavior.
  • Browser navigation now updates the current view more cleanly instead of creating extra history entries.
  • Minor toolbar styling adjustments were made to keep the layout consistent with the updated header.

[parse-github-assistant]

I will reformat the title to use the proper commit message syntax.

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: baaa3dfc-4705-489a-9eb9-b9a6d34aeecb

📥 Commits

Reviewing files that changed from the base of the PR and between 9db24be and cb0cad0.

📒 Files selected for processing (4)

• src/components/Toolbar/Toolbar.react.js
• src/components/Toolbar/Toolbar.scss
• src/dashboard/Data/Browser/Browser.react.js
• src/dashboard/Data/Browser/BrowserToolbar.react.js

💤 Files with no reviewable changes (3)

• src/dashboard/Data/Browser/BrowserToolbar.react.js
• src/components/Toolbar/Toolbar.scss
• src/components/Toolbar/Toolbar.react.js

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📝 Walkthrough

Walkthrough

The back-button/navigation UI is removed from the Toolbar component and its stylesheet, the relation propType and prop wiring are removed, and Browser's URL updates now use navigate(..., { replace: true }) instead of pushing a new history entry.

Changes

Toolbar Back-Button Removal and Navigation Update

Layer / File(s)	Summary
Toolbar back-button and propTypes cleanup src/components/Toolbar/Toolbar.react.js	Removes conditional back-button rendering logic and the relation propType declaration.
Toolbar stylesheet cleanup src/components/Toolbar/Toolbar.scss	Removes .nav display override and top-level .nav/.iconButton style blocks, keeping .titleText visibility rules.
Prop wiring and history navigation change src/dashboard/Data/Browser/BrowserToolbar.react.js, src/dashboard/Data/Browser/Browser.react.js	Removes relation/filters props passed to Toolbar and changes updateURL() to replace the current history entry instead of pushing a new one.

Estimated code review effort: 2 (Simple) | ~10 minutes

Possibly related PRs

• parse-community/parse-dashboard#2821: Also modifies Browser.react.js filter/class click handler behavior related to navigation and URL state.

🚥 Pre-merge checks | ✅ 4 | ❌ 3

❌ Failed checks (2 warnings, 1 inconclusive)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description references #3349 and includes screenshots, but it lacks the template's Issue, Approach, and Tasks sections.	Add the missing Issue, Approach, and Tasks sections and briefly describe the implementation and testing status.
Linked Issues check	⚠️ Warning	The changes are related to #3349, but removing back-button history handling appears to conflict with restoring collection A on Back.	Rework navigation so related-records opens B without losing A's prior state, and verify the header Back returns exactly to collection A.
Engage In Review Feedback	❓ Inconclusive	GitHub issue/commit pages show no review comments or discussion, so engagement can't be verified.	Need the PR review thread or comment history to confirm feedback was discussed and then addressed by commit or retraction.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title uses the required fix: prefix and accurately summarizes the back-navigation change.
Out of Scope Changes check	✅ Passed	All file changes stay within the related-records back-navigation fix and toolbar/browser URL handling.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Security Check	✅ Passed	Only navigation/UI code was removed or switched to replace history; no new untrusted sinks, redirects, eval, or HTML injection paths were added.

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[dblythy]

@coderabbitai full review

[coderabbitai]

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Full review finished.