feat: allow accessing AnalysisPoint via getproperty syntax

Author: AayushSabharwal

src/systems/abstractsystem.jl

@@ -1162,6 +1162,14 @@ function getvar(sys::AbstractSystem, name::Symbol; namespace = !iscomplete(sys))
         end
     end
 
+    if has_eqs(sys)
+        for eq in get_eqs(sys)
+            if eq.lhs isa AnalysisPoint && nameof(eq.rhs) == name
+                return namespace ? renamespace(sys, eq.rhs) : eq.rhs
+            end
+        end
+    end
+
     throw(ArgumentError("System $(nameof(sys)): variable $name does not exist"))
 end