web/settings: rename "downloading" to "metadata"

am i future proofing for more stuff there? maybe

web/i18n/en/settings.json

@@ -3,7 +3,7 @@
     "page.privacy": "privacy",
     "page.video": "video",
     "page.audio": "audio",
-    "page.download": "downloading",
+    "page.metadata": "metadata",
     "page.advanced": "advanced",
     "page.debug": "info for nerds",
     "page.instances": "instances",

web/src/routes/settings/+layout.svelte

@@ -64,8 +64,8 @@
                 iconColor="orange"
             />
             <PageNavTab
-                path="/settings/download"
+                path="/settings/metadata"
-                title={$t("settings.page.download")}
+                title={$t("settings.page.metadata")}
                 icon={IconFileDownload}
                 iconColor="green"
             />