PB-108: Integration test updated based on content-type column line,static test fixes

Author: nishant04412

app/code/Magento/PageBuilder/view/adminhtml/web/ts/js/content-type/column/preview.ts

@@ -312,15 +312,15 @@ export default class Preview extends PreviewCollection {
         const siblings = parentContentType.children();
         const siblingColumnLines = parentContentType.parentContentType.children();
         let totalColumnCount = 0;
-        siblingColumnLines.forEach((columnLine) => {
+        siblingColumnLines.forEach((columnLine: ContentTypeCollectionInterface) => {
             const columns = columnLine.children();
             columns.forEach((column: ContentTypeCollectionInterface) => {
                 totalColumnCount++;
             });
         });
 
         const isRemoveDisabled = totalColumnCount <= 1;
-        siblingColumnLines.forEach((columnLine) => {
+        siblingColumnLines.forEach((columnLine: ContentTypeCollectionInterface) => {
             const columns = columnLine.children();
             columns.forEach((column: ContentTypeCollectionInterface) => {
                 const removeOption = column.preview.getOptions().getOption("remove");