Check of edmm fails because of Java operator precedence (in the if's condition line 252)

[q-goux]

winery/org.eclipse.winery.repository.rest/src/main/java/org/eclipse/winery/repository/rest/resources/MainResource.java

Line 252 in 8a0c1ab

if (edmm != null && edmm) {

It logically should be "if ( (edmm != null) && edmm ) {"
(instead of the current "if (edmm != null && edmm) {"
Which, according to the Java grammar operator precedences starts to evaluate the statement "null && edmm" that raises a NullPointerException because edmm is null
... even thaught the intended condition seams clear)

In the current state, this prevents CSAR import of template in Winery