Drop all mappings of config object into classes now that tests don't need that

novelwriter/config.py

@@ -776,8 +776,8 @@ class Config:
 
 class RecentProjects:
 
-    def __init__(self, mainConf):
-        self.mainConf = mainConf
+    def __init__(self, config):
+        self._conf = config
         self._data = {}
         return
 
@@ -786,7 +786,7 @@ class RecentProjects:
         """
         self._data = {}
 
-        cacheFile = self.mainConf.dataPath(nwFiles.RECENT_FILE)
+        cacheFile = self._conf.dataPath(nwFiles.RECENT_FILE)
         if not cacheFile.is_file():
             return True
 
@@ -809,7 +809,7 @@ class RecentProjects:
     def saveCache(self):
         """Save the cache dictionary of recent projects.
         """
-        cacheFile = self.mainConf.dataPath(nwFiles.RECENT_FILE)
+        cacheFile = self._conf.dataPath(nwFiles.RECENT_FILE)
         cacheTemp = cacheFile.with_suffix(".tmp")
         try:
             with open(cacheTemp, mode="w+", encoding="utf-8") as outFile: