Ability to set rules and conditions for rendering settings

This MR allows to set rules and conditions for rendering settings e.g. :proxy_remote setting is hidden if :uploader setting is set to Pleroma.Uploaders.Local

test/views/settings/settingFollowsRules.test.js

+import { settingFollowsRules } from '@/views/settings/rules'
+
+describe('Check if settings follow rules', () => {
+  it('does not render :proxy_remote when local :uploader is selected', () => {
+    const state = { ':pleroma': { 'Pleroma.Upload': { ':uploader': 'Pleroma.Uploaders.Local' }}}
+
+    expect(settingFollowsRules(':proxy_remote', 'Pleroma.Upload', state)).toBeFalsy()
+  })
+
+  it('render :proxy_remote when local :uploader is not selected', () => {
+    const state = { ':pleroma': { 'Pleroma.Upload': { ':uploader': 'Pleroma.Uploaders.S3' }}}
+
+    expect(settingFollowsRules(':proxy_remote', 'Pleroma.Upload', state)).toBeTruthy()
+  })
+
+  it('render setting when there is no rule', () => {
+    const state = { ':pleroma': { 'Pleroma.Upload': { ':uploader': 'Pleroma.Uploaders.Local' }}}
+
+    expect(settingFollowsRules(':filters', 'Pleroma.Upload', state)).toBeTruthy()
+  })
+
+  it('render setting when one of the keys is undefined', () => {
+    const state = { ':pleroma': {}}
+
+    expect(settingFollowsRules(':level', undefined, state)).toBeTruthy()
+
+    expect(settingFollowsRules(':admin_token', undefined, state)).toBeTruthy()
+  })
+
+  it('render setting when state is empty', () => {
+    const state = { ':pleroma': { 'Pleroma.Upload': {}}}
+
+    expect(settingFollowsRules(':proxy_remote', 'Pleroma.Upload', state)).toBeTruthy()
+  })
+})
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