move the log file viewer to its own plugin

We plan to have multiple different types of tabs.

raven/plugins/openfileplugin.py

@@ -1,6 +1,6 @@
 import os
 from typing import Callable
-
+from pathlib import Path
 from PyQt6.QtGui import QAction, QIcon
 from PyQt6.QtWidgets import QMenu, QFileDialog
 
@@ -41,8 +41,8 @@ class OpenFilePlugin(PluginBase):
         ]
 
     def _open_file_dialog(self) -> None:
-        current_file = PluginRegistry.executeSingle("current_file")
-        directory = os.path.dirname(current_file) if current_file else ''
+        current_file = PluginRegistry.execute_single("current_file")
+        directory = os.path.dirname(current_file) if current_file else os.path.join(Path.home())
 
         dialog = QFileDialog()
         (selected_file, _filter) = dialog.getOpenFileName(
@@ -53,12 +53,14 @@ class OpenFilePlugin(PluginBase):
             self._open_file(selected_file)
 
     def _open_file(self, selected_file: str):
-        PluginRegistry.executeSingle("create_tab", selected_file)
-        self._remember_recent_file(selected_file)
+        tab = PluginRegistry.execute_single("create_tab", selected_file)
+        if tab:
+            PluginRegistry.execute_single("add_tab", tab)
+            PluginRegistry.execute("after_open_file", selected_file)
 
     def _get_recent_files(self) -> [str]:
         recent_files = self.settings.session.get('general', 'recent_files', fallback='')
-        print(recent_files)
+        # print(recent_files)
         files = recent_files.split(os.pathsep)
         if "" in files:
             files.remove("")