Format code to project rules

[danyill]

On a recent run I saw:

npm run lint

> @openscd/scl-lib@2.0.0 lint
> eslint --ext .ts,.html . --ignore-path .gitignore && prettier "**/*.ts" --check --ignore-path .gitignore

Checking formatting...
[warn] index.ts
[warn] tAddress/changeGseOrSmvAddress.ts
[warn] tBay/updateBay.spec.ts
[warn] tControl/removeControlBlock.ts
[warn] tControl/updateDatSet.ts
[warn] tDataSet/removeDataSet.ts
[warn] tDataTypeTemplates/foundation.ts
[warn] tDataTypeTemplates/importLNodeType.spec.ts
[warn] tDataTypeTemplates/importLNodeType.ts
[warn] tDataTypeTemplates/insertSelecetdLNodeType.spec.ts
[warn] tDataTypeTemplates/insertSelectedLNodeType.testdata.ts
[warn] tDataTypeTemplates/insertSelectedLNodeType.ts
[warn] tDataTypeTemplates/nsdToJson.ts
[warn] tDataTypeTemplates/nsdToJson/testJson/APC.ts
[warn] tDataTypeTemplates/nsdToJson/testJson/BAC.ts
[warn] tDataTypeTemplates/nsdToJson/testJson/BCR.ts
[warn] tDataTypeTemplates/nsdToJson/testJson/RFLO.ts
[warn] tDataTypeTemplates/nsdToJson/testJson/TCTR.ts
[warn] tDataTypeTemplates/nsdToJson/testNsdJson.ts
[warn] tDataTypeTemplates/removeDataType.spec.ts
[warn] tDataTypeTemplates/removeDataType.ts
[warn] tDataTypeTemplates/updateLNodeType.spec.ts
[warn] tDataTypeTemplates/updateLNodeType.testfiles.ts
[warn] tDataTypeTemplates/updateLNodeType.ts
[warn] tExtRef/extRefTypeRestrictions.spec.ts
[warn] tExtRef/subscribe.ts
[warn] tGSE/createGSE.spec.ts
[warn] tGSEControl/updateGSEControl.spec.ts
[warn] tGSEControl/updateGSEControl.ts
[warn] tIED/insertIED.spec.ts
[warn] tIED/removeIED.ts
[warn] tIED/updateIED.spec.ts
[warn] tIED/updateIED.ts
[warn] tLN/supervision/insertSubscriptionSupervisions.ts
[warn] tReportControl/canAddReportControl.spec.ts
[warn] tReportControl/updateReportControl.spec.ts
[warn] tReportControl/updateReportControl.ts
[warn] tSampledValueControl/updateSampledValueControl.spec.ts
[warn] tSampledValueControl/updateSampledValueControl.ts
[warn] tServices/tConfReportControl/maxReportControl.spec.ts
[warn] tSubstation/updateLnType.spec.ts
[warn] tSubstation/updateLnType.ts
[warn] tSubstation/updateSubstation.spec.ts
[warn] tVoltageLevel/updateVoltageLevel.spec.ts
[warn] tVoltageLevel/updateVoltageLevel.ts
[warn] Code style issues found in 45 files. Run Prettier to fix.

We should tidy these up.