GenAI Data Synthesis for Tabular Data Node (#315)

* TabularDataNode supports Replace and Extend for AiGen (#312)

* Testing Values

* Fixed typing issue with Models in fromModelId

* TabularDataNode now supports table generation.
modified:   src/AiPopover.tsx
            Added support for table replacement
            and future support for extension.
modified:   src/TabularDataNode.tsx
            Added the AiPopover button and
            functionality for table replacement.
modified:   src/backend/ai.ts
            Added specific prompts and decoding
            for markdown table generation.
new file:   src/backend/tableUtils.ts
            Seperated the parsing for tables into
            a seperate utility file for better
            organization and future extensibility.

* Fixed typing issue with Models in fromModelId

* TabularDataNode now supports table generation.
modified:   src/AiPopover.tsx
            Added support for table replacement
            and future support for extension.
modified:   src/TabularDataNode.tsx
            Added the AiPopover button and
            functionality for table replacement.
modified:   src/backend/ai.ts
            Added specific prompts and decoding
            for markdown table generation.
new file:   src/backend/tableUtils.ts
            Seperated the parsing for tables into
            a seperate utility file for better
            organization and future extensibility.

Testing Values

* Added Extend Functionality to Table Popover.
modified:   src/AiPopover.tsx
            Removed unnecessary import.
            Changed handleCommandFill to work with
            autofillTable function in ai.ts.
modified:   src/TabularDataNode.tsx
            Removed Skeleton from Popover.
            Changed addMultipleRows such that it
            now renders the new rows correctly
            and removes the blank row.
modified:   src/backend/ai.ts
            Added autofillTable function and
            changed decodeTable so that they
            are flexible with both proper and
            improper markdown tables.
            Added new system message prompt
            specific to autofillTable.
            Removed unneccessary log statements.
removed:    src/backend/utils.ts
            Removed change.

* Added "add column" prompt & button in TablePopover

modified:   src/AiPopover.tsx
            Added handleGenerateColumn so that
            a column can be generated given
            a prompt.
            Added changes to the TablePopover UI
            Now extend is diveded into AddRow
            and AddColumn sections.
modified:   src/TabularDataNode.tsx
            Modified addColumns so that its safer.
            Added optional pass of rowValue to
            support generateColumn.
modified:   src/backend/ai.ts
            Added generateColumn and it's
            corresponding system message.
Cleaned up some comments and added missing commas.

* Generate Columns now considers item-by-item
processing of the rows for generating the
new column values.

modified:   src/AiPopover.tsx
            Fixed the key issue for onAddColumn.
modified:   src/TabularDataNode.tsx
            Changed addColumns to filter out
            previously added columns.
modified:   src/backend/ai.ts
            Changed generateColumns to process
            item-by-item to generate new columns.

* Fix bugs. Change OpenAI small model for GenAI features to GPT-4o.

* Update package version

* Remove gen diverse outputs switch in genAI for table

---------

Co-authored-by: Kraft-Cheese <114844630+Kraft-Cheese@users.noreply.github.com>