ui: add fingerprint also to the 'show connection information' window

by globally calling the 'status' api once and saving the fingerprint
into the global Proxmox variable.

since not all users might have that permission, ignore errors for that,
and don't show the fingerprint in this case

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>

www/MainView.js

@@ -184,6 +184,17 @@ Ext.define('PBS.MainView', {
 		interval: 15*60*1000,
 	    });
 
+	    Proxmox.Utils.API2Request({
+		url: `/api2/extjs/nodes/localhost/status`,
+		success: function({ result }) {
+		    if (result?.data?.info?.fingerprint) {
+			Proxmox.Fingerprint = result.data.info.fingerprint;
+		    }
+		},
+		failure: function() {
+		    // silently ignore errors
+		},
+	    });
 
 	    // select treeitem and load page from url fragment, if set
 	    let token = Ext.util.History.getToken() || 'pbsDashboard';

www/window/DatastoreRepoInfo.js

@@ -13,6 +13,7 @@ Ext.define('PBS.window.DatastoreRepoInfo', {
 
     cbindData: function() {
 	let me = this;
+	let fingerprint = Proxmox.Fingerprint;
 	let host = window.location.hostname;
 	let hostname = host;
 	if (window.location.port.toString() !== "8007") {
@@ -26,6 +27,7 @@ Ext.define('PBS.window.DatastoreRepoInfo', {
 	return {
 	    datastore,
 	    hostname,
+	    fingerprint,
 	    repository,
 	    repositoryWithUser,
 	};
@@ -49,6 +51,13 @@ Ext.define('PBS.window.DatastoreRepoInfo', {
 		value: '{hostname}',
 	    },
 	},
+	{
+	    fieldLabel: gettext('Fingerprint'),
+	    cbind: {
+		value: '{fingerprint}',
+		hidden: '{!fingerprint}',
+	    },
+	},
 	{
 	    xtype: 'displayfield',
 	    value: '',