QmlJS:: Fix values in pragma statements when reformatting

Task-number: QDS-9732
Change-Id: Ia3ca22b4a26aef8ac8ffef4fb50a45bdb0e072f8
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
(cherry picked from commit 2ed2c3b48c)
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/libs/qmljs/qmljsreformatter.cpp

@@ -526,6 +526,10 @@ protected:
     {
         out("pragma ", ast->pragmaToken);
         out(ast->name.toString());
+        if (!ast->value.isEmpty()) {
+            out(": ");
+            out(ast->value.toString());
+        }
         newLine();
         return false;
     }