様々な修正 (#4859)

Typo, Redundant code, Syntax error の修正

src/client/app/common/views/deck/deck.column.vue

@@ -160,7 +160,7 @@ export default Vue.extend({
 				this.$emit('top');
 			}
 
-			if (this.$store.state.settings.fetchOnScroll !== false) {
+			if (this.$store.state.settings.fetchOnScroll) {
 				const current = this.$refs.body.scrollTop + this.$refs.body.clientHeight;
 				if (current > this.$refs.body.scrollHeight - 1) this.$emit('bottom');
 			}

src/client/app/common/views/deck/deck.user-column.vue

@@ -205,7 +205,7 @@ export default Vue.extend({
 			top -32px
 			left 0
 			right 0
-			width 0px
+			width 0
 			margin 0 auto
 			border-top solid 16px transparent
 			border-left solid 16px transparent