:recycle: remove try catch for intersection

vue-theme/src/pages/list.vue

             console.log(this.observer)
         },
         unsetIntersectionLoader() {
-            try {
-                const footerEl = document.querySelector(INTERSECT_SELECTOR)
-                console.warn('unsetting intersection handler on:', footerEl, this.sortBy)
-                this.observer.unobserve(footerEl)
-                this.observer.disconnect()
-            } catch (err) {
-                console.error(`cannot unset intersection handler. Have you tried setting the el: ${footerEl} or observer: ${this.observer} ?\n`)
-                console.error(`More info: ${err}`)
-            }
+            const footerEl = document.querySelector(INTERSECT_SELECTOR)
+            if(!footerEl || !this.observer) return console.error(`cannot unset intersection handler missing el: ${footerEl} or observer: ${this.observer}`)
+            
+            console.warn('unsetting intersection handler on:', footerEl, this.sortBy)
+            this.observer.unobserve(footerEl)
+            this.observer.disconnect()
             return footerEl
         },
-        clearAndInitPostList() {
+        clearAndInitPostList(caller) {
+            console.log(`clearAndInitPostList from ${caller}...`)
             console.log('---')
+
             this.page = 0
             this.keepFetching = true
 
         type(newType, oldType) {
             if(!postTypes.includes(newType)) return console.warn('type not found...')
 
-            console.log('init from type watch...')
-            this.clearAndInitPostList()
+            this.clearAndInitPostList('watcher')
         }
     },
     mounted() {
         // This only fires navigating from a single page, to a list page
-        console.log('init from mounted...')
-        this.clearAndInitPostList()
+        this.clearAndInitPostList('mounted')
     },
     beforeDestroy() {
         this.unsetIntersectionLoader()