Merge pull request #26181 from nextcloud/backport/26003/stable20

[stable20] Add getID function to the simplefile implementation

Author: MorrisJobke

lib/private/Files/SimpleFS/SimpleFile.php

@@ -180,4 +180,8 @@ public function read() {
 	public function write() {
 		return $this->file->fopen('w');
 	}
+
+	public function getId(): int {
+		return $this->file->getId();
+	}
 }