Add Pinned toot update handler

src/renderer/components/TimelineSpace/Contents/SideBar/AccountProfile/Timeline.vue

@@ -7,7 +7,7 @@
       :focused="message.uri + message.id === focusedId"
       :pinned="true"
       :overlaid="modalOpened"
-      v-on:update="updateToot"
+      v-on:update="updatePinnedToot"
       v-on:delete="deleteToot"
       @focusNext="focusNext"
       @focusPrev="focusPrev"
@@ -118,6 +118,9 @@ export default {
           })
       }
     },
+    updatePinnedToot (message) {
+      this.$store.commit('TimelineSpace/Contents/SideBar/AccountProfile/Timeline/updatePinnedToot', message)
+    },
     updateToot (message) {
       this.$store.commit('TimelineSpace/Contents/SideBar/AccountProfile/Timeline/updateToot', message)
     },

src/renderer/store/TimelineSpace/Contents/SideBar/AccountProfile/Timeline.js

@@ -20,6 +20,22 @@ const Timeline = {
     changeLazyLoading (state, value) {
       state.lazyLoading = value
     },
+    updatePinnedToot (state, message) {
+      state.pinnedToots = state.pinnedToots.map((toot) => {
+        if (toot.id === message.id) {
+          return message
+        } else if (toot.reblog !== null && toot.reblog.id === message.id) {
+          // When user reblog/favourite a reblogged toot, target message is a original toot.
+          // So, a message which is received now is original toot.
+          const reblog = {
+            reblog: message
+          }
+          return Object.assign(toot, reblog)
+        } else {
+          return toot
+        }
+      })
+    },
     updateToot (state, message) {
       // Replace target message in timeline
       state.timeline = state.timeline.map((toot) => {