Merge branch 'topic/ancr_tests' into 'master'

Fix some CONSTRAINT_ERROR (invalid data) for

See merge request eng/ide/ada_language_server!1550

Author: reznikmm

source/ada/lsp-ada_handlers-call_hierarchy.adb

@@ -313,8 +313,9 @@ package body LSP.Ada_Handlers.Call_Hierarchy is
          end if;
       end Callback;
 
-      Ignore : Libadalang.Common.Ref_Result_Kind;
       Cursor : Laltools.Common.References_By_Subprogram.Cursor;
+      Ignore : Libadalang.Common.Ref_Result_Kind :=
+        Libadalang.Common.No_Ref;
 
    begin
       Laltools.Call_Hierarchy.Find_Outgoing_Calls

source/ada/lsp-ada_handlers.adb

@@ -2539,8 +2539,9 @@ package body LSP.Ada_Handlers is
 
          Definition : Libadalang.Analysis.Defining_Name;
          Imprecise  : Boolean := False;
-         Ignore     : Libadalang.Common.Ref_Result_Kind;
          Decl       : Libadalang.Analysis.Basic_Decl;
+         Ignore     : Libadalang.Common.Ref_Result_Kind :=
+           Libadalang.Common.No_Ref;
 
       begin
          if Name_Node.Is_Null then