MNT Update selector in behat to reflect changes in silverstripe/admin

tests/Behat/features/add-link-to-anchor.feature

@@ -17,11 +17,11 @@ So that I can direct users directly to the relevant information
       And I select "awesome" in the "Content" HTML field
       And I press the "Insert link" HTML field button
       And I click "Anchor on a page" in the ".tox-menu" element
-    Then I should see an "form#Form_editorAnchorLink" element
-      And I should see "No Blocks" in the "#Form_editorAnchorLink_PageID_Holder .treedropdownfield__value-container" element
-    When I select "Elemental" in the "#Form_editorAnchorLink_PageID_Holder" tree dropdown
-      And I select "element-anchor" in the "#Form_editorAnchorLink_Anchor_Holder" anchor dropdown
-    Then I should see "element-anchor" in the "#Form_editorAnchorLink_Anchor_Holder .anchorselectorfield__value-container" element
+    Then I should see an "form#Form_linkModalFormeditorAnchorLink" element
+      And I should see "No Blocks" in the "#Form_linkModalFormeditorAnchorLink_PageID_Holder .treedropdownfield__value-container" element
+    When I select "Elemental" in the "#Form_linkModalFormeditorAnchorLink_PageID_Holder" tree dropdown
+      And I select "element-anchor" in the "#Form_linkModalFormeditorAnchorLink_Anchor_Holder" anchor dropdown
+    Then I should see "element-anchor" in the "#Form_linkModalFormeditorAnchorLink_Anchor_Holder .anchorselectorfield__value-container" element
     # Close the dialog now that we're done with it.
     When I click on the "button.close" element
 
@@ -34,11 +34,11 @@ So that I can direct users directly to the relevant information
     When I select "awesomer" in the "Content" HTML field
       And I press the "Insert link" HTML field button
       And I click "Anchor on a page" in the ".tox-menu" element
-    Then I should see an "form#Form_editorAnchorLink" element
-      And I should see "Elemental" in the "#Form_editorAnchorLink_PageID_Holder .treedropdownfield__value-container" element
-    When I select "No Blocks" in the "#Form_editorAnchorLink_PageID_Holder" tree dropdown
-      And I select "normal-anchor" in the "#Form_editorAnchorLink_Anchor_Holder" anchor dropdown
-    Then I should see "normal-anchor" in the "#Form_editorAnchorLink_Anchor_Holder .anchorselectorfield__value-container" element
+    Then I should see an "form#Form_linkModalFormeditorAnchorLink" element
+      And I should see "Elemental" in the "#Form_linkModalFormeditorAnchorLink_PageID_Holder .treedropdownfield__value-container" element
+    When I select "No Blocks" in the "#Form_linkModalFormeditorAnchorLink_PageID_Holder" tree dropdown
+      And I select "normal-anchor" in the "#Form_linkModalFormeditorAnchorLink_Anchor_Holder" anchor dropdown
+    Then I should see "normal-anchor" in the "#Form_linkModalFormeditorAnchorLink_Anchor_Holder .anchorselectorfield__value-container" element
     # Close the dialog now that we're done with it.
     When I click on the "button.close" element
 
@@ -51,9 +51,9 @@ So that I can direct users directly to the relevant information
     When I select "awesomer" in the "Content" HTML field
       And I press the "Insert link" HTML field button
       And I click "Anchor on a page" in the ".tox-menu" element
-    Then I should see an "form#Form_editorAnchorLink" element
-      And I should see "Elemental" in the "#Form_editorAnchorLink_PageID_Holder .treedropdownfield__value-container" element
-    When I select "another-anchor" in the "#Form_editorAnchorLink_Anchor_Holder" anchor dropdown
-    Then I should see "another-anchor" in the "#Form_editorAnchorLink_Anchor_Holder .anchorselectorfield__value-container" element
+    Then I should see an "form#Form_linkModalFormeditorAnchorLink" element
+      And I should see "Elemental" in the "#Form_linkModalFormeditorAnchorLink_PageID_Holder .treedropdownfield__value-container" element
+    When I select "another-anchor" in the "#Form_linkModalFormeditorAnchorLink_Anchor_Holder" anchor dropdown
+    Then I should see "another-anchor" in the "#Form_linkModalFormeditorAnchorLink_Anchor_Holder .anchorselectorfield__value-container" element
     # Close the dialog now that we're done with it.
     When I click on the "button.close" element