Squashed commit of the following:

commit a5a1fc3
Author: Dmitry Baranov <baranov.d.v.1988@gmail.com>
Date:   Thu May 30 15:58:32 2024 +0500

    Backmerge: #4399 - Different chains shown by the same sequence in sequence mode (system ignores sugar presence) (#4681)

commit 01b189e
Author: Mikhail Zhirnov <62464241+Zhirnoff@users.noreply.github.com>
Date:   Thu May 30 11:53:41 2024 +0300

    Autotests: #4668 - api tests (#4673)

    * - added tests to 'API';
    - added functions to 'format.ts'

    * - added tests;
    - added expected snapshots

    * - added tests;
    - added expected snapshots

    * - updated files and screenshots

    * - added tests;
    - added 1 test file;
    - added expected snapshots

    * - added tests;
    - added expected snapshots

    * - updated snapshots

    * - added tests;
    - added expected snapshots

    * - updated playwright version

    * - added tests;
    - added expected snapshots

commit c4042b5
Author: Alexey Girin <agirin@mail.ru>
Date:   Thu May 30 10:35:40 2024 +0300

    Autotests: #4422 - GUI tests (#4691)

    * 4422 - GUI tests (test and screenshots)

    * 4422 - more GUI tests

    * Final version

    * Minor corrections

    * More fixes

    * more fixes2

    * More fixes

    * more fixes 2

    * More fixes 3

    * More fixes 4

    * #4422 - broken tests and some flacky are fixed

    * MOde fixes

    * and more

    * More fixes

    * One more fix

    * More fixes

commit a00bf26
Author: Ruslan <117785539+Guch1g0v@users.noreply.github.com>
Date:   Thu May 30 02:00:38 2024 +0500

commit 1e7c398
Author: Alexey Girin <agirin@mail.ru>
Date:   Wed May 29 11:43:07 2024 +0300

    Bump request: Update playwright.yml (#4707)

    temporary rise execution time for microtests

    [skip ci]

commit d15aa1d
Merge: b7b81e1 5c30180
Author: Ilya Asiyuk <156656634+ilya-asiyuk-epam@users.noreply.github.com>
Date:   Wed May 29 10:23:48 2024 +0400

    Merge pull request #4699 from epam/4697-macro-highlight-connection-point-change-mouse-cursor-on-mouse-hover

commit b7b81e1
Author: Alexey Girin <agirin@mail.ru>
Date:   Tue May 28 23:28:00 2024 +0300

commit af5d024
Merge: 52ace78 66d6d0b
Author: Ilya Asiyuk <156656634+ilya-asiyuk-epam@users.noreply.github.com>
Date:   Tue May 28 15:07:24 2024 +0400

    Merge pull request #4696 from epam/4692-macro-cursors-should-be-copied-from-small-mode

commit 5c30180
Author: Ilya Asiyuk <ilya_asiyuk@epam.com>
Date:   Tue May 28 12:37:03 2024 +0400

commit 66d6d0b
Author: Ilya Asiyuk <ilya_asiyuk@epam.com>
Date:   Mon May 27 15:29:14 2024 +0400

ketcher-autotests/tests/Macromolecule-editor/RNA-Builder/rna-library.spec.ts

@@ -311,6 +311,10 @@ test.describe('RNA Library', () => {
   test('Add Custom preset to Presets section and display after page reload', async ({
     page,
   }) => {
+    /* 
+    Test case: #4427 - Edit RNA mode
+    Description: Custom presets added to Presets section and saved in local storage after reload.
+    */
     await expandCollapseRnaBuilder(page);
     await selectMonomer(page, Sugars.TwentyFiveR);
     await selectMonomer(page, Bases.Adenine);
@@ -363,6 +367,31 @@ test.describe('RNA Library', () => {
     await takeEditorScreenshot(page);
   });
 
+  test('Add same Custom preset to Presets section', async ({ page }) => {
+    /* 
+    Test case: #4427 - Edit RNA mode
+    Description: System alert that you should rename preset.
+    */
+    await expandCollapseRnaBuilder(page);
+    await selectMonomer(page, Sugars.TwelveddR);
+    await selectMonomer(page, Bases.Adenine);
+    await selectMonomer(page, Phosphates.Test6Ph);
+    await page.getByTestId('add-to-presets-btn').click();
+    await page.getByTestId('12ddR(A)Test-6-Ph_A_12ddR_Test-6-Ph').click();
+    await expandCollapseRnaBuilder(page);
+    await takePresetsScreenshot(page);
+    await page.reload();
+    await waitForPageInit(page);
+    await turnOnMacromoleculesEditor(page);
+    await page.getByTestId('RNA-TAB').click();
+    await expandCollapseRnaBuilder(page);
+    await selectMonomer(page, Sugars.TwelveddR);
+    await selectMonomer(page, Bases.Adenine);
+    await selectMonomer(page, Phosphates.Test6Ph);
+    await page.getByTestId('add-to-presets-btn').click();
+    await takeEditorScreenshot(page);
+  });
+
   test('Add Custom preset to Canvas', async ({ page }) => {
     /* 
     Test case: #2507 - Add RNA monomers to canvas
@@ -518,6 +547,25 @@ test.describe('RNA Library', () => {
     await takePresetsScreenshot(page);
   });
 
+  test('After clicking Duplicate and Edit button and subsequently clicking Cancel, preset not saved', async ({
+    page,
+  }) => {
+    /* 
+    Test case: #3633 - Edit RNA mode
+    Description: After clicking Duplicate and Edit button and subsequently clicking Cancel, preset not saved
+    */
+    await expandCollapseRnaBuilder(page);
+    await page.getByTestId('A_A_R_P').click({
+      button: 'right',
+    });
+    await page.getByTestId('duplicateandedit').locator('div').click();
+    await page.getByTestId('cancel-btn').click();
+    // To avoid unstable test execution
+    // Allows see a right preset in a veiwport
+    await expandCollapseRnaBuilder(page);
+    await takePresetsScreenshot(page);
+  });
+
   test('Add Custom preset to Presets section and Delete', async ({ page }) => {
     /* 
     Test case: #2759 - Edit RNA mode