fix(tui): fix Editor.open Result type handling and add onSearchToggle prop

Upstream v1.0.223 changed Editor.open to return Result type but didn't
update all call sites. Also adds missing onSearchToggle prop to PromptProps.

Author: shuv1337

packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx

@@ -35,6 +35,7 @@ export type PromptProps = {
   sessionID?: string
   disabled?: boolean
   onSubmit?: () => void
+  onSearchToggle?: () => void
   ref?: (ref: PromptRef) => void
   hint?: JSX.Element
   showPlaceholder?: boolean
@@ -304,9 +305,10 @@ export function Prompt(props: PromptProps) {
           const nonTextParts = store.prompt.parts.filter((p) => p.type !== "text")
 
           const value = trigger === "prompt" ? "" : text
-          const content = await Editor.open({ value, renderer })
-          if (!content) return
+          const result = await Editor.open({ value, renderer })
+          if (!result.ok) return
 
+          const content = result.content
           input.setText(content)
 
           // Update positions for nonTextParts based on their location in new content