Exclude parameters from workplace symbols

Author: andyleejordan

src/PowerShellEditorServices/Services/Workspace/Handlers/WorkspaceSymbolsHandler.cs

@@ -56,6 +56,11 @@ public override async Task<Container<SymbolInformation>> Handle(WorkspaceSymbolP
                         continue;
                     }
 
+                    if (foundOccurrence.SymbolType is SymbolType.Parameter)
+                    {
+                        continue;
+                    }
+
                     if (!IsQueryMatch(request.Query, foundOccurrence.SymbolName))
                     {
                         continue;