[frio] Fix file browser staying displayed even after switching jot tab

- Addresses https://libranet.de/display/0b6b25a8-445d-e188-54e9-c05224132808
- Include file browser tab in the jot form
- Remove input elements from the file browser to avoid interference with jot form

view/theme/frio/js/modal.js

@@ -159,20 +159,19 @@ Dialog.showJot = function() {
 // Init the filebrowser after page load.
 Dialog._load = function(url) {
 	// Get nickname & filebrowser type from the modal content.
-	var nickname = $("#fb-nickname").attr("value");
-	var type = $("#fb-type").attr("value");
+	let filebrowser = document.getElementById('filebrowser');
 
 	// Try to fetch the hash form the url.
-	var match = url.match(/fbrowser\/[a-z]+\/.*(#.*)/);
-	if (match===null) return; //not fbrowser
-	var hash = match[1];
+	let match = url.match(/fbrowser\/[a-z]+\/.*(#.*)/);
+	if (!filebrowser || match === null) {
+		return; //not fbrowser
+	}
 
 	// Initialize the filebrowser.
-	var jsbrowser = function() {
-		FileBrowser.init(nickname, type, hash);
-	};
 	loadScript("view/js/ajaxupload.js");
-	loadScript("view/theme/frio/js/filebrowser.js", jsbrowser);
+	loadScript("view/theme/frio/js/filebrowser.js", function() {
+		FileBrowser.init(filebrowser.dataset.nickname, filebrowser.dataset.type, match[1]);
+	});
 };
 
 /**

view/theme/frio/templates/filebrowser.tpl

@@ -1,13 +1,10 @@
 <!--
 	This is the template used by mod/fbrowser.php
 -->
-<div class="fbrowser {{$type}}">
+<div id="filebrowser" class="fbrowser {{$type}}" data-nickname="{{$nickname}}" data-type="{{$type}}">
 	<div class="fbrowser-content">
-		<input id="fb-nickname" type="hidden" name="type" value="{{$nickname}}" />
-		<input id="fb-type" type="hidden" name="type" value="{{$type}}" />
-
 		<div class="error hidden">
-			<span></span> <button type="button" class="btn btn-link close" aria-label="Close">X</a>
+			<span></span> <button type="button" class="btn btn-link close" aria-label="Close">X</button>
 		</div>
 
 		{{* The breadcrumb navigation *}}

view/theme/frio/templates/jot.tpl

@@ -128,10 +128,10 @@
 					</ul>
 				</div>
 
-			</form>
-
 				<div id="jot-fbrowser-wrapper" class="minimize" aria-labelledby="jot-browser-link" role="tabpanel" aria-hidden="true"></div>
 
+			</form>
+
 			{{if $content}}<script type="text/javascript">initEditor();</script>{{/if}}
 		</div>
 	</div>