[FSSDK-12337] Fix experiment type values to match backend

Update ExperimentTypes and ExperimentType Literal to use actual
backend values: 'multi_armed_bandit' and 'contextual_multi_armed_bandit'
instead of shorthand 'mab' and 'cmab'.

Author: FarhanAnjum-opti

optimizely/helpers/enums.py

@@ -231,8 +231,8 @@ class OdpManagerConfig:
 
 class ExperimentTypes:
     ab: Final = 'a/b'
-    mab: Final = 'mab'
-    cmab: Final = 'cmab'
+    mab: Final = 'multi_armed_bandit'
+    cmab: Final = 'contextual_multi_armed_bandit'
     td: Final = 'targeted_delivery'
     fr: Final = 'feature_rollout'
 

optimizely/helpers/types.py

@@ -117,7 +117,7 @@ class CmabDict(BaseEntity):
     trafficAllocation: int
 
 
-ExperimentType = Literal['a/b', 'mab', 'cmab', 'targeted_delivery', 'feature_rollout']
+ExperimentType = Literal['a/b', 'multi_armed_bandit', 'contextual_multi_armed_bandit', 'targeted_delivery', 'feature_rollout']
 
 HoldoutStatus = Literal['Draft', 'Running', 'Concluded', 'Archived']