fix(useApplyChanges): catch rejection from fire-and-forget conflict analysis

void discards the promise entirely; .catch() preserves the
fire-and-forget intent while preventing a silent unhandled rejection
if runFullConflictAnalysis throws asynchronously.

src/workbench/extensions/manager/composables/useApplyChanges.ts

@@ -31,7 +31,9 @@ export const useApplyChanges = createSharedComposable(() => {
         comfyManagerStore.setStale()
         await useCommandStore().execute('Comfy.RefreshNodeDefinitions')
         await useWorkflowService().reloadCurrentWorkflow()
-        void runFullConflictAnalysis()
+        runFullConflictAnalysis().catch((err) => {
+          console.error('[useApplyChanges] Conflict analysis failed:', err)
+        })
       } catch (err) {
         console.error('[useApplyChanges] Post-reconnect tasks failed:', err)
       } finally {