Specific methods for patch app configuration file scenarios

[shauns]

WHY are these changes introduced?

Fixes #0000

WHAT is this pull request doing?

How to test your changes?

Post-release steps

Measuring impact

How do we know this change was effective? Please choose one:

• n/a - this doesn't need measurement, e.g. a linting rule or a bug-fix
• Existing analytics will cater for this addition
• PR includes analytics changes to measure impact

Checklist

• I've considered possible cross-platform impacts (Mac, Linux, Windows)
• I've considered possible documentation changes

[shauns]

• DNM - Prototype, format preserving TOML patcher #5642
• Specific methods for patch app configuration file scenarios #5641 👈 (View in Graphite)
• main

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[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🟡	Statements	76.62% (-0.06% 🔻)	9420/12295
🟡	Branches	71.69% (-0.07% 🔻)	4609/6429
🟡	Functions	76.39% (-0.06% 🔻)	2446/3202
🟡	Lines	77.14% (-0.07% 🔻)	8907/11546

Show files with reduced coverage 🔻

St.❔	File	Statements	Branches	Functions	Lines
🟢	... / app.ts	87.5% (-0.61% 🔻)	70.33% (-0.38% 🔻)	92.98% (-0.46% 🔻)	90.21% (-0.42% 🔻)
🟢	... / loader.ts	93.27% (-0.02% 🔻)	85.15%	97.2%	94.29% (-0.01% 🔻)
🟢	... / extension-instance.ts	84.52% (-0.09% 🔻)	80.16% (+0.47% 🔼)	92.45% (-0.14% 🔻)	85.06% (-0.1% 🔻)
🟢	... / context.ts	78.26% (-0.37% 🔻)	65.67%	79.17%	80.81% (-0.38% 🔻)
🟢	... / patch-app-configuration-file.ts	100%	62.5% (-37.5% 🔻)	100%	100%
🟢	... / utils.ts	85.87% (-0.15% 🔻)	71.7%	80%	85.23% (-0.17% 🔻)
🟢	... / extension.ts	91.3% (+0.68% 🔼)	73.58% (+0.37% 🔼)	91.67% (-0.33% 🔻)	91.11% (+0.69% 🔼)

Test suite run success

2179 tests passing in 955 suites.

Report generated by 🧪jest coverage report action from fe1f0b4