suggest types in var declaration when partial type name supplied

pkg/analysis_server/lib/src/services/completion/optype.dart

Index: pkg/analysis_server/lib/src/services/completion/optype.dart
diff --git a/pkg/analysis_server/lib/src/services/completion/optype.dart b/pkg/analysis_server/lib/src/services/completion/optype.dart
index e9391126764d213054b38285a131bc9c4ad50af5..c9d88bcdf847e12d82a9b32e79e9f25549782cd7 100644
--- a/pkg/analysis_server/lib/src/services/completion/optype.dart
+++ b/pkg/analysis_server/lib/src/services/completion/optype.dart
@@ -605,7 +605,7 @@ class _OpTypeAstVisitor extends GeneralizingAstVisitor {
   @override
   void visitVariableDeclarationList(VariableDeclarationList node) {
     if ((node.keyword == null || node.keyword.lexeme != 'var') &&
-        (node.type == null)) {
+        (node.type == null || identical(entity, node.type))) {
       optype.includeTypeNameSuggestions = true;
     }
   }