debug: do not allow breakpoints in settings files always

#30996

src/vs/workbench/parts/debug/electron-browser/debugConfigurationManager.ts

@@ -12,7 +12,6 @@ import { first } from 'vs/base/common/arrays';
 import { isLinux, isMacintosh, isWindows } from 'vs/base/common/platform';
 import * as objects from 'vs/base/common/objects';
 import uri from 'vs/base/common/uri';
-import { Schemas } from 'vs/base/common/network';
 import * as paths from 'vs/base/common/paths';
 import { IJSONSchema } from 'vs/base/common/jsonSchema';
 import { IModel, isCommonCodeEditor } from 'vs/editor/common/editorCommon';
@@ -29,7 +28,7 @@ import { ITelemetryService } from 'vs/platform/telemetry/common/telemetry';
 import { IWorkspaceContextService, IWorkspaceFolder } from 'vs/platform/workspace/common/workspace';
 import { IInstantiationService } from 'vs/platform/instantiation/common/instantiation';
 import { ICommandService } from 'vs/platform/commands/common/commands';
-import { IDebugConfigurationProvider, IRawAdapter, ICompound, IDebugConfiguration, DEBUG_SCHEME, IConfig, IEnvConfig, IGlobalConfig, IConfigurationManager, ILaunch } from 'vs/workbench/parts/debug/common/debug';
+import { IDebugConfigurationProvider, IRawAdapter, ICompound, IDebugConfiguration, IConfig, IEnvConfig, IGlobalConfig, IConfigurationManager, ILaunch } from 'vs/workbench/parts/debug/common/debug';
 import { Adapter } from 'vs/workbench/parts/debug/node/debugAdapter';
 import { IWorkbenchEditorService } from 'vs/workbench/services/editor/common/editorService';
 import { IQuickOpenService } from 'vs/platform/quickOpen/common/quickOpen';
@@ -398,15 +397,15 @@ export class ConfigurationManager implements IConfigurationManager {
 	}
 
 	public canSetBreakpointsIn(model: IModel): boolean {
-		if (model.uri.scheme !== Schemas.file && model.uri.scheme !== DEBUG_SCHEME) {
+		const modeId = model ? model.getLanguageIdentifier().language : null;
+		if (!modeId || modeId === 'json') {
+			// do not allow breakpoints in our settings files
 			return false;
 		}
 		if (this.configurationService.getConfiguration<IDebugConfiguration>('debug').allowBreakpointsEverywhere) {
 			return true;
 		}
 
-		const modeId = model ? model.getLanguageIdentifier().language : null;
-
 		return this.breakpointModeIdsSet.has(modeId);
 	}