Merge 1.5.3 fixes (#940)

* Resolve #918
* Resolve #935
* Bump version and update changelog and release notes

novelwriter/gui/mainmenu.py

@@ -84,7 +84,7 @@ class GuiMainMenu(QMenuBar):
                 continue
             if itemClass == nwItemClass.TRASH:
                 continue
-            self.rootItems[itemClass].setEnabled(
+            self.rootItems[itemClass].setVisible(
                 self.theProject.projTree.checkRootUnique(itemClass)
             )
         return

novelwriter/gui/projtree.py

@@ -628,11 +628,14 @@ class GuiProjectTree(QTreeWidget):
         trItem.setToolTip(self.C_STATUS, nwItem.itemStatus)
 
         if self.mainConf.emphLabels and nwItem.itemLayout == nwItemLayout.DOCUMENT:
+            trFont = trItem.font(self.C_NAME)
             if hLevel in ("H1", "H2"):
-                trFont = trItem.font(self.C_NAME)
                 trFont.setBold(True)
                 trFont.setUnderline(True)
-                trItem.setFont(self.C_NAME, trFont)
+            else:
+                trFont.setBold(False)
+                trFont.setUnderline(False)
+            trItem.setFont(self.C_NAME, trFont)
 
         return