Use Ruff for linting and fix a ton of issues

novelwriter/dialogs/projectsettings.py

@@ -691,7 +691,7 @@ class _ReplacePage(NFixedPage):
         self.listBox.itemSelectionChanged.connect(self._onSelectionChanged)
 
         for aKey, aVal in SHARED.project.data.autoReplace.items():
-            newItem = QTreeWidgetItem(["<%s>" % aKey, aVal])
+            newItem = QTreeWidgetItem([f"<{aKey}>", aVal])
             self.listBox.addTopLevelItem(newItem)
 
         self.listBox.sortByColumn(self.C_KEY, Qt.SortOrder.AscendingOrder)

novelwriter/dialogs/quotes.py

@@ -78,7 +78,7 @@ class GuiQuoteSelect(NDialog):
 
         minSize = 100
         for sKey, sLabel in nwQuotes.SYMBOLS.items():
-            text = "[ %s ] %s" % (sKey, trConst(sLabel))
+            text = f"[ {sKey} ] {trConst(sLabel)}"
             minSize = max(minSize, metrics.boundingRect(text).width())
             qtItem = QListWidgetItem(text)
             qtItem.setData(self.D_KEY, sKey)