For #5898: Launch SUMO article properly for default browser

[sblatz]

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Originally this SUMO article would get opened, but the user didn't get pushed to the browser fragment since I accidentally was navigating from the wrong screen.

Pull Request checklist

• Quality: This PR builds and passes detekt/ktlint checks (A pre-push hook is recommended)
• Tests: This PR includes thorough tests or an explanation of why it does not
• Screenshots: This PR includes screenshots or GIFs of the changes made or an explanation of why it does not
• Accessibility: The code in this PR follows accessibility best practices or does not include any user facing features

After merge

• Milestone: Make sure issues finished by this pull request are added to the milestone of the version currently in development.

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[colintheshots]

Looks good.

[colintheshots]

bors r+

[bors]

Build failed

• test-ui

[codecov-io]

Codecov Report

Merging #5973 into master will decrease coverage by 0.01%.
The diff coverage is 0%.

@@             Coverage Diff              @@
##             master    #5973      +/-   ##
============================================
- Coverage     14.26%   14.25%   -0.02%     
+ Complexity      324      320       -4     
============================================
  Files           259      258       -1     
  Lines         10694    10686       -8     
  Branches       1558     1557       -1     
============================================
- Hits           1526     1523       -3     
+ Misses         9043     9037       -6     
- Partials        125      126       +1

Impacted Files	Coverage Δ	Complexity Δ
...a/fenix/settings/DefaultBrowserSettingsFragment.kt	0% <0%> (ø)	0 <0> (ø)	⬇️
...pp/src/main/java/org/mozilla/fenix/FeatureFlags.kt	91.66% <0%> (-8.34%)	2% <0%> (ø)
...x/home/sessioncontrol/viewholders/TabViewHolder.kt	0% <0%> (ø)	0% <0%> (ø)	⬇️
...main/java/org/mozilla/fenix/components/Services.kt	0% <0%> (ø)	0% <0%> (ø)	⬇️
...a/org/mozilla/fenix/browser/BaseBrowserFragment.kt	0% <0%> (ø)	0% <0%> (ø)	⬇️
...c/main/java/org/mozilla/fenix/home/HomeFragment.kt	0% <0%> (ø)	0% <0%> (ø)	⬇️
app/src/main/java/org/mozilla/fenix/Config.kt	0% <0%> (ø)	0% <0%> (ø)	⬇️
...ain/java/org/mozilla/fenix/components/FxaServer.kt
...org/mozilla/fenix/components/BackgroundServices.kt	47.57% <0%> (+1.57%)	4% <0%> (ø)	⬇️

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[sblatz]

bors retry

[bors]

Build succeeded

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• test-ui