NPE when validating Qute template where a method is invoked

[datho7561]

Given the following Qute template, where the object "map" is not declared anywhere:

{map.get("string")}

map is marked properly with a warning, however, there is an NPE in the output related to trying to validate get(...)

[angelozerr]

My PR #743 should fix this issue with a test.

[angelozerr]

This issue is fixed by #743 and it exists a test in

quarkus-ls/qute.ls/com.redhat.qute.ls/src/test/java/com/redhat/qute/services/diagnostics/QuteDiagnosticsInExpressionTest.java

Line 731 in ed5e29a

public void undefinedObjectPartWithKwownMethodResolver() throws Exception {