Link to app editor Fysion if it is installed

[andydotxyz]

If the source is available and the app is installed let it be edited from the bar.

This will be a killer feature for FyshOS release :)

Checklist:

• Tests included.
• Lint and formatter run with no errors.
• Tests all pass.

[coveralls]

Pull Request Test Coverage Report for Build 11372905023

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 18 of 87 (20.69%) changed or added relevant lines in 5 files are covered.
• 34 unchanged lines in 4 files lost coverage.
• Overall coverage decreased (-0.1%) to 28.108%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
internal/icon/fdo.go	18	19	94.74%
modules/launcher/calc.go	0	1	0.0%
internal/icon/macos.go	0	3	0.0%
modules/status/network.go	0	3	0.0%
internal/ui/baricon.go	0	61	0.0%

Files with Coverage Reduction	New Missed Lines	%
internal/icon/fdo.go	1	77.59%
internal/ui/baricon.go	1	21.29%
internal/ui/widgetpanel.go	14	85.96%
internal/ui/settings_ui.go	18	0.0%

Totals
Change from base Build 11262644580:	-0.1%
Covered Lines:	1630
Relevant Lines:	5799

---

💛 - Coveralls

[andydotxyz]

All right, this now gets the source from apps who's metadata says the source is available.
It clones the code and opens the editor :)