try to fix screenshot timeout (#502)

skyvern/constants.py

@@ -1,3 +1,4 @@
+from enum import StrEnum
 from pathlib import Path
 
 # This is the attribute name used to tag interactable elements
@@ -6,3 +7,12 @@ SKYVERN_DIR = Path(__file__).parent
 REPO_ROOT_DIR = SKYVERN_DIR.parent
 
 INPUT_TEXT_TIMEOUT = 120000  # 2 minutes
+
+
+class ScrapeType(StrEnum):
+    NORMAL = "normal"
+    STOPLOADING = "stoploading"
+    RELOAD = "reload"
+
+
+SCRAPE_TYPE_ORDER = [ScrapeType.NORMAL, ScrapeType.STOPLOADING, ScrapeType.RELOAD]