feat(proxy): confirm before enabling chain proxy

Show the speed warning with explicit enable/keep-disabled actions, and add a close button to the empty chain panel.

src/types/generated/i18n-keys.ts

@@ -322,6 +322,8 @@ export const translationKeys = [
   'proxies.page.empty.actions.openLogs',
   'proxies.page.chain.header',
   'proxies.page.chain.warning',
+  'proxies.page.chain.confirmEnable',
+  'proxies.page.chain.keepDisabled',
   'proxies.page.chain.empty',
   'proxies.page.chain.instruction',
   'proxies.page.chain.minimumNodes',

src/types/generated/i18n-resources.ts

@@ -525,6 +525,7 @@ export interface TranslationResources {
           toggleChain: string
         }
         chain: {
+          confirmEnable: string
           connectFailed: string
           disconnectFailed: string
           duplicateNode: string
@@ -533,6 +534,7 @@ export interface TranslationResources {
           exitNode: string
           header: string
           instruction: string
+          keepDisabled: string
           minimumNodes: string
           minimumNodesHint: string
           warning: string