security: don't let renderer know custom vencord path

It's best not to let the renderer know about the system's file structure.
In case of a vulnerability allowing arbitrary file writes, this would make it considerably easier to overwrite critical files

src/shared/IpcEvents.ts

@@ -23,11 +23,11 @@ export const enum IpcEvents {
     MINIMIZE = "VCD_MINIMIZE",
     MAXIMIZE = "VCD_MAXIMIZE",
 
-    SHOW_ITEM_IN_FOLDER = "VCD_SHOW_ITEM_IN_FOLDER",
     GET_SETTINGS = "VCD_GET_SETTINGS",
     SET_SETTINGS = "VCD_SET_SETTINGS",
 
-    GET_VENCORD_DIR = "VCD_GET_VENCORD_DIR",
+    IS_USING_CUSTOM_VENCORD_DIR = "VCD_IS_USING_CUSTOM_VENCORD_DIR",
+    SHOW_CUSTOM_VENCORD_DIR = "VCD_SHOW_CUSTOM_VENCORD_DIR",
     SELECT_VENCORD_DIR = "VCD_SELECT_VENCORD_DIR",
 
     UPDATER_IS_OUTDATED = "VCD_UPDATER_IS_OUTDATED",