Rename model checker property to hasWarnings

CURA-5237

plugins/ModelChecker/ModelChecker.py

@@ -92,9 +92,8 @@ class ModelChecker(QObject, Extension):
         Logger.log("d", "Model checker view created.")
 
     @pyqtProperty(bool, notify = onChanged)
-    def runChecks(self):
+    def hasWarnings(self):
         danger_shrinkage = self.checkObjectsForShrinkage()
-
         return any((danger_shrinkage, )) #If any of the checks fail, show the warning button.
 
     @pyqtSlot()

plugins/ModelChecker/ModelChecker.qml

@@ -18,7 +18,7 @@ Button
 
     UM.I18nCatalog{id: catalog; name:"cura"}
 
-    visible: manager.runChecks
+    visible: manager.hasWarnings
     tooltip: catalog.i18nc("@info:tooltip", "Some things could be problematic in this print. Click to see tips for adjustment.")
     onClicked: manager.showWarnings()