fix(frontend): reset caps lock state on password blur

Agent-Logs-Url: https://github.com/hzb666/LabStorageManager/sessions/0984167f-16d3-4bcb-b84f-266bd4a206a5

Co-authored-by: hzb666 <29155232+hzb666@users.noreply.github.com>

Author: Copilot

frontend/src/components/ui/PasswordInput.tsx

@@ -46,6 +46,7 @@ function PasswordInput({
           }}
           onBlur={(event) => {
             setIsFocused(false)
+            setIsCapsLockOn(false)
             onBlur?.(event)
           }}
           onKeyDown={(event) => {