Make ServicesAccessor typing more consistent in editor commands #218369
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I noticed that in src/vs/workbench/services/preferences/browser/preferencesService.ts
CoreEditingCommands.LineBreakInsert.runEditorCommandis called twice with anullaccessor, as well as in src/vs/workbench/contrib/debug/browser/debugEditorContribution.ts.Goto def took me to the abstract
EditorCommand.runEditorCommandwhere this is allowed. However, find all implementations shows many cases which suggest narrower (non-null) typing..runEditorCommandmay be type-checked against this abstract implementation (see the aforementioned goto def) which can lead to disconnects between function calls and implementations.I've updated this typing to be more consistent. I expect the
| undefined->| nullchanges to be essentially no-ops. The cases where I've introduced early returns, optional chaining, etc. I tried to follow local norms.