refactor: Prevent leading slashes in API urls (#34680)

app/javascript/mastodon/api/accounts.ts

@@ -36,6 +36,6 @@ export const apiGetEndorsedAccounts = (id: string) =>
   apiRequestGet<ApiAccountJSON>(`v1/accounts/${id}/endorsements`);
 
 export const apiGetFamiliarFollowers = (id: string) =>
-  apiRequestGet<ApiFamiliarFollowersJSON>('/v1/accounts/familiar_followers', {
+  apiRequestGet<ApiFamiliarFollowersJSON>('v1/accounts/familiar_followers', {
     id,
   });

app/javascript/mastodon/api/polls.ts

@@ -2,9 +2,9 @@ import { apiRequestGet, apiRequestPost } from 'mastodon/api';
 import type { ApiPollJSON } from 'mastodon/api_types/polls';
 
 export const apiGetPoll = (pollId: string) =>
-  apiRequestGet<ApiPollJSON>(`/v1/polls/${pollId}`);
+  apiRequestGet<ApiPollJSON>(`v1/polls/${pollId}`);
 
 export const apiPollVote = (pollId: string, choices: string[]) =>
-  apiRequestPost<ApiPollJSON>(`/v1/polls/${pollId}/votes`, {
+  apiRequestPost<ApiPollJSON>(`v1/polls/${pollId}/votes`, {
     choices,
   });