Fixed offset calculation for multiline inserts

Signed-off-by: Miklos Magyari miklos.magyari@sigmatechnology.com

lsp/src/main/java/org/eclipse/titan/lsp/parsers/ttcn3parser/TTCN3ReparseUpdater.java

@@ -153,7 +153,7 @@ public final class TTCN3ReparseUpdater {
 	private void calculateOffsets() {
 		final String[] lines = code.split(lineEnding);
 		int offset = 0;
-		for (int i = 0; i < modificationEndPosition.getLine(); i++) {
+		for (int i = 0; i < modificationEndPosition.getLine() + allLineShift; i++) {
 			offset += lines[i].length() + lineEnding.length();
 			if (i == modificationStartPosition.getLine() - 1) {
 				modificationStartOffset = offset + modificationStartPosition.getCharacter();