Replacing heapservice with lifecycle for code actions

Part of #74846

Code Actions can use commands internally, which must be disposed of. We were previously using the heap service for this but this will not work for the web. Add a custom lifecycle instead

src/vs/workbench/api/browser/mainThreadSaveParticipant.ts

@@ -305,6 +305,8 @@ class CodeActionOnSaveParticipant implements ISaveParticipant {
 				await this.applyCodeActions(actionsToRun.actions);
 			} catch {
 				// Failure to apply a code action should not block other on save actions
+			} finally {
+				actionsToRun.dispose();
 			}
 		}
 	}