Bug fix: make dismiss during export not fire success toast (#3882)

* Bug fix: make dismiss during export not fire success toast

* Fix export fail test, since this failure errors early now

* Remove throttling from send side

* Move toast.loading out to when first engine command is sent, so it is shown immediately

* Use shared, named constants for toast messages

* Hook up a couple other error toasts to the `pendingExport.toastId`

src/components/ModelingMachineProvider.tsx

@@ -415,20 +415,9 @@ export const ModelingMachineProvider = ({
             selection: { type: 'default_scene' },
           }
 
-          // Artificially delay the export in playwright tests
-          toast
-            .promise(
-              exportFromEngine({
-                format: format,
-              }),
-
-              {
-                loading: 'Starting print...',
-                success: 'Started print successfully',
-                error: 'Error while starting print',
-              }
-            )
-            .catch(reportRejection)
+          exportFromEngine({
+            format: format,
+          }).catch(reportRejection)
         },
         'Engine export': ({ event }) => {
           if (event.type !== 'Export') return
@@ -482,18 +471,9 @@ export const ModelingMachineProvider = ({
             format.selection = { type: 'default_scene' }
           }
 
-          toast
-            .promise(
-              exportFromEngine({
-                format: format as Models['OutputFormat_type'],
-              }),
-              {
-                loading: 'Exporting...',
-                success: 'Exported successfully',
-                error: 'Error while exporting',
-              }
-            )
-            .catch(reportRejection)
+          exportFromEngine({
+            format: format as Models['OutputFormat_type'],
+          }).catch(reportRejection)
         },
         'Submit to Text-to-CAD API': ({ event }) => {
           if (event.type !== 'Text-to-CAD') return
@@ -591,7 +571,9 @@ export const ModelingMachineProvider = ({
             else if (kclManager.ast.body.length === 0)
               errorMessage += 'due to Empty Scene'
             console.error(errorMessage)
-            toast.error(errorMessage)
+            toast.error(errorMessage, {
+              id: kclManager.engineCommandManager.pendingExport?.toastId,
+            })
             return false
           }
         },