Revert "remove `shareSuggestSelections`-setting for now #62365"

This reverts commit f6cff39c.

src/vs/editor/common/config/commonEditorConfig.ts

@@ -639,6 +639,11 @@ const editorConfiguration: IConfigurationNode = {
 			default: false,
 			description: nls.localize('suggest.localityBonus', "Controls whether sorting favours words that appear close to the cursor.")
 		},
+		'editor.suggest.shareSuggestSelections': {
+			type: 'boolean',
+			default: false,
+			markdownDescription: nls.localize('suggest.shareSuggestSelections', "Controls whether remembered suggestion selections are shared between multiple workspaces and windows (needs `#editor.suggestSelection#`).")
+		},
 		'editor.suggest.snippetsPreventQuickSuggestions': {
 			type: 'boolean',
 			default: true,