[ELI5] Tweak wording on the signup screen (#7136)

* Tweak signup wordings

* Update translations

src/locale/locales/ko/messages.po

@@ -3317,7 +3317,7 @@ msgid "Input your password"
 msgstr "비밀번호를 입력합니다"
 
 #: src/screens/Signup/StepHandle.tsx:114
-msgid "Input your user handle"
+msgid "Type your desired username"
 msgstr "사용자 핸들을 입력합니다"
 
 #: src/view/com/composer/threadgate/ThreadgateBtn.tsx:49
@@ -8019,7 +8019,7 @@ msgid "Your following feed is empty! Follow more users to see what's happening."
 msgstr "팔로우 중 피드가 비어 있습니다. 더 많은 사용자를 팔로우하여 무슨 일이 일어나고 있는지 확인하세요."
 
 #: src/screens/Signup/StepHandle.tsx:125
-msgid "Your full handle will be"
+msgid "Your full username will be"
 msgstr "내 전체 핸들:"
 
 #: src/screens/Settings/components/ChangeHandleDialog.tsx:219
@@ -8059,5 +8059,5 @@ msgid "Your report will be sent to the Bluesky Moderation Service"
 msgstr "신고가 Bluesky Moderation Service로 보내집니다."
 
 #: src/screens/Signup/index.tsx:142
-msgid "Your user handle"
+msgid "Choose your username"
 msgstr "내 사용자 핸들"