serverSideConfig renamed into profileSettingConfig to avoid confusion

with serverSideStorage, reduced overall need for SharedComputedObject in
settings tabs, moved copypaste code of "setting" type of helpers into a
separate file.

src/components/settings_modal/helpers/boolean_setting.js

@@ -1,56 +1,13 @@
-import { get, set } from 'lodash'
 import Checkbox from 'src/components/checkbox/checkbox.vue'
 import ModifiedIndicator from './modified_indicator.vue'
-import ServerSideIndicator from './server_side_indicator.vue'
+import ProfileSettingIndicator from './profile_setting_indicator.vue'
+import Setting from './setting.js'
+
 export default {
   components: {
     Checkbox,
     ModifiedIndicator,
-    ServerSideIndicator
+    ProfileSettingIndicator
   },
-  props: [
-    'path',
-    'disabled',
-    'expert'
-  ],
-  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)
-    },
-    isServerSide () {
-      return this.path.startsWith('serverSide_')
-    },
-    isChanged () {
-      return !this.path.startsWith('serverSide_') && this.state !== this.defaultState
-    },
-    matchesExpertLevel () {
-      return (this.expert || 0) <= this.$parent.expertLevel
-    }
-  },
-  methods: {
-    update (e) {
-      const [firstSegment, ...rest] = this.path.split('.')
-      set(this.$parent, this.path, e)
-      // Updating nested properties does not trigger update on its parent.
-      // probably still not as reliable, but works for depth=1 at least
-      if (rest.length > 0) {
-        set(this.$parent, firstSegment, { ...get(this.$parent, firstSegment) })
-      }
-    },
-    reset () {
-      set(this.$parent, this.path, this.defaultState)
-    }
-  }
+  ...Setting
 }