#10095: fix indicator number on an antisense chain (#10275)

* #10095: fix indicator number on an antisense chain

* #10095: fix autotests

Author: guranda2626

ketcher-autotests/tests/specs/Bugs/ketcher-3.5.0-bugs.spec.ts-snapshots/Ketcher-bugs-in-3-5-0-Case-11-System-calculat-71fb2-mix-of-nucleotides-nucleosides-and-phosphates-1-chromium-linux.png

@@ -2313,6 +2313,12 @@ export class CoreEditor {
       );
     }
 
+    if (this.mode.modeName === 'flex-layout-mode') {
+      modelChanges.merge(
+        this.drawingEntitiesManager.recalculateAntisenseChains(),
+      );
+    }
+
     if (this.mode.modeName === 'sequence-layout-mode') {
       this.mode.initialize(false, false, false);
     } else {

ketcher-autotests/tests/specs/Bugs/ketcher-3.5.0-bugs.spec.ts-snapshots/Ketcher-bugs-in-3-5-0-Case-15-Melting-tempera-c7190-lation-works-correct-for-three-antistrand-DNA-1-chromium-linux.png

@@ -204,12 +204,9 @@ const addToCanvas = ({
   const editorHistory = EditorHistory.getInstance(editor);
 
   if (isFlexMode) {
-    if (editor.drawingEntitiesManager.hasAntisenseChains) {
-      modelChanges.merge(
-        editor.drawingEntitiesManager.applySnakeLayout(true, true, true),
-      );
-      modelChanges.setUndoOperationsByPriority();
-    }
+    modelChanges.merge(
+      editor.drawingEntitiesManager.recalculateAntisenseChains(),
+    );
   }
 
   editor.drawingEntitiesManager.detectBondsOverlappedByMonomers();