Keep single-character and numeric pastes inline instead of converting… (#484)

Keep single-character and numeric pastes inline instead of converting them to pasted-text symbols

- in prompt field: single characters or numbers should not be converted to #PastedText symbols

├── apps
│   └── editor
│       └── src
│           └── views
│               └── prompt
│                   ├── backend
│                   │   ├── message-handlers
│                   │   │   ├── handle-open-prompt-pasted-text.ts
│                   │   │   ├── handle-save-prompt-pasted-text.ts
│                   │   │   └── index.ts
│                   │   ├── prompt-view-provider.ts
│                   │   └── utils
│                   │       └── symbols
│                   │           ├── pasted-text
│                   │           │   └── replace-pasted-text-symbol.ts
│                   │           └── replace-symbols.ts
│                   ├── frontend
│                   │   ├── Main
│                   │   │   ├── Main.tsx
│                   │   │   └── MainView
│                   │   │       └── MainView.tsx
│                   │   ├── Prompt.tsx
│                   │   └── hooks
│                   │       └── use-prompt
│                   │           └── use-prompt.ts
│                   └── types
│                       └── messages.ts
└── packages
    ├── shared
    │   └── src
    │       └── utils
    │           └── simplify-prompt-symbols
    │               ├── simplify-prompt-symbols.spec.ts
    │               └── simplify-prompt-symbols.ts
    └── ui
        └── src
            └── components
                └── editor
                    └── common
                        └── prompts
                            ├── PromptField
                            │   ├── PromptField.stories.tsx
                            │   ├── PromptField.tsx
                            │   └── hooks
                            │       └── use-handlers
                            │           ├── handle-input-change.ts
                            │           ├── handle-input-click.ts
                            │           ├── handle-paste.ts
                            │           ├── types.ts
                            │           ├── use-handlers.ts
                            │           └── utils.ts
                            └── shared
                                └── symbols
                                    ├── get-highlighted-text.tsx
                                    ├── position-mapping.ts
                                    ├── reconstruct-raw-value.ts
                                    └── use-symbol-deletion.ts

Author: PatrickBialek

packages/ui/src/components/editor/common/prompts/PromptField/hooks/use-handlers/handle-paste.ts

@@ -117,11 +117,16 @@ export const create_handle_paste =
         ignore_file_paths: true
       }).length > 0
 
+    const trimmed_text = text.trim()
+    const is_single_character_or_number =
+      trimmed_text.length == 1 || /^\d+$/.test(trimmed_text)
+
     if (
       !refs.is_shift_pressed_ref.current &&
-      text.trim().length > 0 &&
+      trimmed_text.length > 0 &&
       !is_fragment_paste &&
-      !has_symbols
+      !has_symbols &&
+      !is_single_character_or_number
     ) {
       const selection = window.getSelection()
       if (