Removed duplicates from proposal and investigation list

src/ExperimentDetails.py

@@ -396,6 +396,8 @@ class Experiment_Details(PyTango.Device_4Impl):
             self.ProposalList = []
         for idx in range(len(self.ProposalList)):
             self.ProposalList[idx] = self.ProposalList[idx].strip()
+        # Remove duplicates
+        self.ProposalList = list(set(self.ProposalList))
         #
         resp = self.StorageMngrDev.ListInvestigation([self.UserId, self.TAG])
         if resp.upper().find("OK:") >= 0:
@@ -405,6 +407,8 @@ class Experiment_Details(PyTango.Device_4Impl):
             self.InvestigationList = []
         for idx in range(len(self.InvestigationList)):
             self.InvestigationList[idx] = self.InvestigationList[idx].strip()
+        # Remove duplicates
+        self.InvestigationList = list(set(self.InvestigationList))
 
 #------------------------------------------------------------------
 #    Set Active Investigation