Fix addToSessionSearchHistory (#2124)

payload.data is already concatenated in Search.js

src/renderer/components/top-nav/top-nav.js

@@ -69,7 +69,7 @@ export default Vue.extend({
     },
 
     backwardText: function () {
-      return this.$t('Backward')
+      return this.$t('Back')
     },
 
     newWindowText: function () {

src/renderer/components/top-nav/top-nav.vue

@@ -18,7 +18,7 @@
         icon="arrow-left"
         role="button"
         tabindex="0"
-        :title="forwardText"
+        :title="backwardText"
         @click="historyBack"
         @keypress="historyBack"
       />

src/renderer/store/modules/utils.js

@@ -971,7 +971,7 @@ const mutations = {
     })
 
     if (sameSearch !== -1) {
-      state.sessionSearchHistory[sameSearch].data = state.sessionSearchHistory[sameSearch].data.concat(payload.data)
+      state.sessionSearchHistory[sameSearch].data = payload.data
       state.sessionSearchHistory[sameSearch].nextPageRef = payload.nextPageRef
     } else {
       state.sessionSearchHistory.push(payload)