refactor: unwrap in causal variable connect

Author: AayushSabharwal

src/systems/analysis_points.jl

@@ -213,7 +213,8 @@ function Symbolics.connect(
         outs::ConnectableSymbolicT...; verbose = true)
     allvars = (in, out, outs...)
     validate_causal_variables_connection(allvars)
-    return AnalysisPoint() ~ AnalysisPoint(in, name, [out; collect(outs)]; verbose)
+    return AnalysisPoint() ~ AnalysisPoint(
+        unwrap(in), name, unwrap.([out; collect(outs)]); verbose)
 end
 
 """

src/systems/connectors.jl

@@ -152,7 +152,7 @@ function Symbolics.connect(var1::ConnectableSymbolicT, var2::ConnectableSymbolic
         vars::ConnectableSymbolicT...)
     allvars = (var1, var2, vars...)
     validate_causal_variables_connection(allvars)
-    return Equation(Connection(), Connection(map(SymbolicWithNameof, allvars)))
+    return Equation(Connection(), Connection(map(SymbolicWithNameof, unwrap.(allvars))))
 end
 
 function flowvar(sys::AbstractSystem)