fix: Drop use of deprecated jquery load

src/document.js

@@ -35,7 +35,7 @@
 const checkProxyStatus = () => {
 	checkingProxyStatus = true
 	const url = Config.get('urlsrc').slice(0, Config.get('urlsrc').indexOf('proxy.php') + 'proxy.php'.length)
 	$.get(url + '?status').done(function(val) {
 		if (val && val.status && val.status !== 'OK') {
 			if (val.status === 'starting' || val.status === 'stopped') {
 				document.getElementById('proxyLoadingIcon').classList.add('icon-loading-small')
@@ -94,7 +94,7 @@
 
 showLoadingIndicator()
 
 $.widget('oc.guestNamePicker', {
 	_create() {
 		hideLoadingIndicator()
 
@@ -108,25 +108,25 @@
 		const btn = '<input style="border-left:none; border-top-left-radius: 0; border-bottom-left-radius: 0; margin-left: -3px" type="button" id="btn" type="button" value="' + t('richdocuments', 'Set') + '">'
 		div.innerHTML = nick + btn
 
 		$('#documents-content').prepend(div)
 		$('#documents-content').prepend(text)
 		const setGuestNameSubmit = () => {
 			const username = $('#nickname').val()
 			div.remove()
 			text.innerText = ''
 			text.classList.add('icon-loading')
 			setGuestName(username).then(() => {
 				$('#documents-content').remove()
 				documentsMain.initSession()
 			})
 		}
 
 		$('#nickname').keyup(function(event) {
 			if (event.which === 13) {
 				setGuestNameSubmit()
 			}
 		})
 		$('#btn').click(() => setGuestNameSubmit())
 	},
 })
 
@@ -184,7 +184,7 @@
 		showViewer(fileId, title) {
 			// remove previous viewer, if open, and set a new one
 			if (documentsMain.isViewerMode) {
 				$('#revViewer').remove()
 				$('#revViewerContainer').prepend($('<div id="revViewer">'))
 			}
 
@@ -365,7 +365,7 @@
 				}, 45000)
 			})
 
-			$('#loleafletframe').load(function() {
+			$('#loleafletframe').on('load', function() {
 				const ViewerToLool = [
 					'Action_FollowUser',
 					'Host_VersionRestore',