fix image upload, cleanup ui

app/api/gweets/route.ts

app/api/media/route.ts

app/api/uploadthing/core.ts

components/create-gweet/api/post-gweet.ts

components/create-gweet/components/create-gweet-wrapper.tsx

components/create-gweet/components/create-gweet.tsx

components/create-gweet/hooks/use-create-gweet.ts

components/gweets/components/actions/comment-button.tsx

components/gweets/components/actions/like-button.tsx

components/gweets/components/actions/regweet-button.tsx

components/gweets/components/delete-gweet-modal.tsx

components/gweets/components/gweet-actions.tsx

components/gweets/components/gweet-details.tsx

components/gweets/components/gweet-options.tsx

components/gweets/components/gweet.tsx

components/gweets/components/gweets.tsx

components/ui/button.tsx

lib/utils.ts