### UPD: Feat: Add Validators & Error Toast for Mermaid & Vega diagrams
Description:
As many time the diagrams generated or entered have syntax errors the diagrams are not rendered due to that errors, but as there isn't any notification is difficult to know what happend.
This PR add validator and toast notification when error on Mermaid and Vega/Vega-Lite diagrams, helping the user to fix its.
Note:
Another possibility of integrating this Graph Visualizer is through its svelte component: https://github.com/vega/svelte-vega/tree/main/packages/svelte-vega
### UPD: Feat: Add Validators & Error Toast for Mermaid & Vega diagrams
Description:
As many time the diagrams generated or entered have syntax errors the diagrams are not rendered due to that errors, but as there isn't any notification is difficult to know what happend.
This PR add validator and toast notification when error on Mermaid and Vega/Vega-Lite diagrams, helping the user to fix its.
### FEAT: Add Vega Char Visualizer Renderer
Add suport for Vega-Lite Specifications.
Vega-Lite is a "compiled" version of Vega Char Visualizer.
For be rendered with Vega it have to be compiled.
This PR add the check and compile if necessary, is a complement of recent Vega Renderer Feature added.
### FEAT: Add Vega Char Visualizer Renderer
Feature required in https://github.com/open-webui/open-webui/discussions/18022
Added npm vega lib to package.json
Added function for visualization renderer to src/libs/utils/index.ts
Added logic to src/lib/components/chat/Messages/CodeBlock.svelte
The treatment is similar as for mermaid diagrams.
Reference: https://vega.github.io/vega/
This commit allow navigating from user edit to user group, allowing faster updates to groups.
The querystringValue function was moved to lib/utils to reuse it in multiple places.
Fixes an issue where `ue.getWordAtDocPos is not a function` would be thrown in `MessageInput.svelte`.
The error was caused by a timing issue where the `getWordAtDocPos` method on the `RichTextInput` component was not available when called from an event handler within the same component.
This change refactors the code to pass the `getWordAtDocPos` function as a callback prop from `RichTextInput` to `MessageInput`, ensuring it's available when needed.
Prevents potential errors by returning an empty list if the
specified message ID does not exist in the history. This
enhancement ensures robustness in scenarios where a message
ID may be missing, avoiding further processing and potential
exceptions.
