Fix match count for whole word search in editor

Check if a match borders a new line char when incrementing match counts.

(cherry picked from commit 91bdc77d47eba2a0c74c07eb57ce5ee14538b535)

editor/code_editor.cpp

@@ -319,16 +319,17 @@ void FindReplaceBar::_update_results_count() {
 		int pos = is_case_sensitive() ? full_text.find(searched, from_pos) : full_text.findn(searched, from_pos);
 		if (pos == -1) break;
 
+		int pos_subsequent = pos + searched.length();
 		if (is_whole_words()) {
 			from_pos = pos + 1; // Making sure we won't hit the same match next time, if we get out via a continue.
-			if (pos > 0 && !is_symbol(full_text[pos - 1]))
+			if (pos > 0 && !(is_symbol(full_text[pos - 1]) || full_text[pos - 1] == '\n'))
 				continue;
-			if (pos + searched.length() < full_text.length() && !is_symbol(full_text[pos + searched.length()]))
+			if (pos_subsequent < full_text.length() && !(is_symbol(full_text[pos_subsequent]) || full_text[pos_subsequent] == '\n'))
 				continue;
 		}
 
 		results_count++;
-		from_pos = pos + searched.length();
+		from_pos = pos_subsequent;
 	}
 }