[Backport 2.x] Adds page headers for updated UX (#2083)

[derek-ho]

Manual backport of: #2083

(cherry picked from commit dc79df3)

Description

Backport #2083 - automatic backport failed due to user-list, which has some changes with the table text with/without the feature flag.

Category

Enhancement

Why these changes are required?

New UX with page headers when feature flag toggled

What is the old behavior before changes and new behavior after changes?

New UX with page headers when feature flag toggled

Issues Resolved

None

Testing

Manual, unit testing

Check List

• New functionality includes testing
• New functionality has been documented
• Commits are signed per the DCO using --signoff

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[codecov]

Codecov Report

Attention: Patch coverage is 61.11111% with 28 lines in your changes missing coverage. Please review.

Project coverage is 71.43%. Comparing base (80976be) to head (23a8341).
Report is 1 commits behind head on 2.x.

Files	Patch %	Lines
.../apps/configuration/panels/role-view/role-view.tsx	30.00%	6 Missing and 1 partial ⚠️
public/apps/configuration/app-router.tsx	20.00%	4 Missing ⚠️
...ic/apps/configuration/header/header-components.tsx	66.66%	2 Missing and 2 partials ⚠️
public/apps/configuration/utils/context-menu.tsx	0.00%	3 Missing ⚠️
...uration/panels/permission-list/permission-list.tsx	71.42%	0 Missing and 2 partials ⚠️
public/apps/configuration/panels/role-list.tsx	66.66%	0 Missing and 2 partials ⚠️
...ps/configuration/panels/tenant-list/manage_tab.tsx	50.00%	1 Missing and 1 partial ⚠️
public/apps/configuration/panels/user-list.tsx	66.66%	0 Missing and 2 partials ⚠️
.../apps/configuration/panels/auth-view/auth-view.tsx	50.00%	1 Missing ⚠️
...s/configuration/panels/tenant-list/tenant-list.tsx	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              2.x    #2092      +/-   ##
==========================================
+ Coverage   71.04%   71.43%   +0.39%     
==========================================
  Files          96       97       +1     
  Lines        2604     2647      +43     
  Branches      385      408      +23     
==========================================
+ Hits         1850     1891      +41     
+ Misses        649      641       -8     
- Partials      105      115      +10     

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