Fix "max depth in thread" setting

src/components/settings_modal/helpers/integer_setting.js

@@ -0,0 +1,37 @@
+import { get, set } from 'lodash'
+import ModifiedIndicator from './modified_indicator.vue'
+export default {
+  components: {
+    ModifiedIndicator
+  },
+  props: {
+    path: String,
+    disabled: Boolean,
+    min: Number
+  },
+  computed: {
+    pathDefault () {
+      const [firstSegment, ...rest] = this.path.split('.')
+      return [firstSegment + 'DefaultValue', ...rest].join('.')
+    },
+    state () {
+      const value = get(this.$parent, this.path)
+      if (value === undefined) {
+        return this.defaultState
+      } else {
+        return value
+      }
+    },
+    defaultState () {
+      return get(this.$parent, this.pathDefault)
+    },
+    isChanged () {
+      return this.state !== this.defaultState
+    }
+  },
+  methods: {
+    update (e) {
+      set(this.$parent, this.path, parseInt(e.target.value))
+    }
+  }
+}