Fix bang notation in the SLL mode for the most common case

Author: MDoerner

Rubberduck.Parsing/Grammar/VBAParser.g4

@@ -579,7 +579,7 @@ subscript : (expression whiteSpace TO whiteSpace)? expression;
 
 unrestrictedIdentifier : identifier | statementKeyword | markerKeyword;
 legalLabelIdentifier : { !(new[]{DOEVENTS,END,CLOSE,ELSE,LOOP,NEXT,RANDOMIZE,REM,RESUME,RETURN,STOP,WEND}).Contains(_input.La(1))}? identifier | markerKeyword;
-identifier : typedIdentifier | untypedIdentifier;
+identifier : {_input.La(3) != IDENTIFIER}? typedIdentifier | untypedIdentifier;
 untypedIdentifier : identifierValue;
 typedIdentifier : untypedIdentifier typeHint;
 identifierValue : IDENTIFIER | keyword | foreignName;

RubberduckTests/Grammar/VBAParserTests.cs

@@ -2953,6 +2953,21 @@ End Sub
             var parseResult = Parse(code);
         }
 
+        [Category("Parser")]
+        [Test]
+        public void ParserDoesNotFailOnBangOperator()
+        {
+            const string code = @"
+Sub Test()   
+Dim dict As Scripting.Dictionary
+
+Dim x
+x = dict!a
+End Sub
+";
+            var parseResult = Parse(code);
+        }
+
         [Category("Parser")]
         [Test]
         public void ParserDoesNotFailOnLineContinuedBangOperator1()