Ignore const for implicitly Variant inspection. Closes #3728

Author: comintern

Rubberduck.CodeAnalysis/Inspections/Concrete/VariableTypeNotDeclaredInspection.cs

@@ -17,7 +17,6 @@ public VariableTypeNotDeclaredInspection(RubberduckParserState state)
         protected override IEnumerable<IInspectionResult> DoGetInspectionResults()
         {
             var issues = from item in State.DeclarationFinder.UserDeclarations(DeclarationType.Variable)
-                         .Union(State.DeclarationFinder.UserDeclarations(DeclarationType.Constant))
                          .Union(State.DeclarationFinder.UserDeclarations(DeclarationType.Parameter))
                          where (item.DeclarationType != DeclarationType.Parameter || (item.DeclarationType == DeclarationType.Parameter && !item.IsArray))
                          && item.DeclarationType != DeclarationType.Control

RubberduckTests/Inspections/VariableTypeNotDeclaredInspectionTests.cs

@@ -178,6 +178,25 @@ Sub Foo(arg1)
             }
         }
 
+        [Test]
+        [Category("Inspections")]
+        public void VariableTypeNotDeclared_Const_DoesNotReturnResult()
+        {
+            const string inputCode =
+                @"Sub Foo()
+    Const bar = 42
+End Sub";
+            var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out _);
+            using (var state = MockParser.CreateAndParse(vbe.Object))
+            {
+
+                var inspection = new VariableTypeNotDeclaredInspection(state);
+                var inspectionResults = inspection.GetInspectionResults(CancellationToken.None);
+
+                Assert.IsFalse(inspectionResults.Any());
+            }
+        }
+
         [Test]
         [Category("Inspections")]
         public void InspectionName()