fix: remove base from plugin if it already exists

Remove the base from the plugin if it already exists in order to avoid
duplication. Adding it will apply as normal, which is used in place of
updating the values.

Author: Infinity6542

src/listeners/bases.ts

@@ -18,6 +18,10 @@ export async function getBases(plugin: ThumbnailPlugin): Promise<Array<Base>> {
 	const files = plugin.app.vault.getFiles().filter((v) => v.extension === "base");
 	const bases: Array<Base> = [];
 	for (const file of files) {
+		const base = plugin.bases.find((f) => f.path == file.path);
+		if (base) {
+			plugin.bases.remove(base);
+		}
 		bases.push({
 			path: file.path,
 			file: file,