[WIP] filter btns session storage

frontend/main.ts

@@ -21,7 +21,7 @@ function initToggle() {
         if(filter) {
           let filterMap = new Map(JSON.parse(filter));
           for (let entry of filterMap.entries()) {
-            if(entry[0] === btn.dataset.action) {
+            if(entry[0] === btn.dataset.action && entry[1] !== 'true') {
               filterMap.set(entry[0],'true');
             } else {
               filterMap.set(entry[0],'false');
@@ -30,12 +30,13 @@ function initToggle() {
           sessionStorage.setItem('tripsFilter', JSON.stringify( Array.from(filterMap.entries())));
         }
         resetFilteredElements();
-        console.log(btn.ariaPressed);
         if(btn.ariaPressed === 'false'){
           Array.prototype.forEach.call(btns, (b: HTMLButtonElement) => {
             b.setAttribute('aria-pressed', 'false'); 
           });
           triggerFilterAction(btn.dataset.action);
+        } else {
+          btn.setAttribute('aria-pressed', 'false'); 
         }
       });
     });