fixed multiline test failing

Author: proggod

src/core/diff/strategies/multi-search-replace.ts

@@ -300,11 +300,9 @@ Only use a single line of '=======' between search and replacement content, beca
 			searchContent = this.unescapeMarkers(searchContent)
 			replaceContent = this.unescapeMarkers(replaceContent)
 
-			// Strip line numbers from search and replace content if every line starts with a line number
-			if (everyLineHasLineNumbers(searchContent) && everyLineHasLineNumbers(replaceContent)) {
-				searchContent = stripLineNumbers(searchContent)
-				replaceContent = stripLineNumbers(replaceContent)
-			}
+			// Strip line numbers from search and replace content
+			searchContent = stripLineNumbers(searchContent)
+			replaceContent = stripLineNumbers(replaceContent)
 
 			// Validate that search and replace content are not identical
 			if (searchContent === replaceContent) {