Conditionally skip search prompt based on current instructions

- when instructions are empty, 'agentic search' invoked from the Prompt View should ask user for them in an input box, just like when invoking from workspace pane.

└── apps
    └── editor
        ├── package.json
        └── src
            ├── commands
            │   └── agentic-search-command
            │       ├── agentic-search-command.ts
            │       └── index.ts
            ├── features
            │   └── agentic-search
            │       ├── agentic-search-state.ts
            │       ├── agentic-search.ts
            │       ├── index.ts
            │       └── utils
            │           ├── build-agent-prompt.ts
            │           ├── index.ts
            │           └── prompt-for-search-term.ts
            ├── i18n
            │   ├── index.ts
            │   └── translations
            │       ├── features
            │       │   └── agentic-search.ts
            │       └── utils
            │           ├── agentic-cli-invocation.ts
            │           └── index.ts
            ├── utils
            │   └── agentic-cli-invocation
            │       ├── index.ts
            │       └── invoke-agentic-cli.ts
            └── views
                └── prompt
                    └── backend
                        └── message-handlers
                            └── handle-agentic-search.ts

Author: robertpiosik

apps/editor/src/views/prompt/backend/message-handlers/handle-agentic-search.ts

@@ -38,7 +38,7 @@ export const handle_agentic_search = async (
       websocket_manager: prompt_view_provider.websocket_server_instance,
       query: initial_query,
       current_instructions,
-      skip_prompt_if_not_empty: true
+      skip_prompt_if_not_empty: current_instructions !== ''
     })
 
     if (!result || result === 'back') return