Add loading image when buttons are clicked

src/account/NetworkPage.vue

@@ -54,9 +54,11 @@
         </div>
 
         <div v-if="network.state === 'running' && configs.networkUuid && network.uuid === configs.networkUuid">
-            <button class="btn btn-secondary" @click="requestRestoreKey()">
+            <button class="btn btn-secondary" @click="requestRestoreKey()"
+                    :disabled="loading && loading.requestNetworkKeys">
                 {{messages.link_network_action_request_keys}}
             </button>
+            <img v-show="loading && loading.requestNetworkKeys" src="data:image/gif;base64,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" />
             <div v-if="errors.has('networkKeys')" class="invalid-feedback d-block">{{ errors.first('networkKeys') }}</div>
             <div v-if="networkKeysRequested && networkKeysRequested === networkId">{{messages.message_network_action_keys_requested}}</div>
             <hr />
@@ -74,7 +76,10 @@
                            :autofocus="this.$route.query.hasOwnProperty('keys_code')"/>
                     <div v-if="errors.has('password')" class="invalid-feedback">{{ errors.first('password') }}</div>
                 </div>
-                <button class="btn btn-secondary">{{messages.button_label_retrieve_keys}}</button>
+                <button class="btn btn-secondary" :disabled="loading && loading.retrieveNetworkKeys">
+                    {{ messages.button_label_retrieve_keys }}
+                </button>
+                <img v-show="loading && loading.retrieveNetworkKeys" src="data:image/gif;base64,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" />
             </form>
             <div v-if="networkKeys">
                 <hr />
@@ -129,7 +134,7 @@
         computed: {
             ...mapState('networks', [
                 'network', 'newNodeNotification', 'networkStatuses', 'networkNodes', 'networkKeysRequested',
-                'deletedNetwork', 'networkKeys'
+                'deletedNetwork', 'networkKeys', 'loading'
             ]),
             ...mapState('system', ['messages', 'configs']),
             showSetupHelp () {
@@ -141,7 +146,6 @@
                 'getNetworkById', 'deleteNetwork', 'getStatusesByNetworkId', 'getNodesByNetworkId',
                 'stopNetwork', 'deleteNetwork', 'requestNetworkKeys', 'retrieveNetworkKeys'
             ]),
-            ...mapGetters('networks', ['loading']),
             refreshStatus (userId) {
                 this.getNetworkById({userId: userId, networkId: this.networkId, messages: this.messages, errors: this.errors});
                 this.getStatusesByNetworkId({