Allow for multi-word text selection to set an input in agent builder flow

[kyang4]

Description

Currently, during the "Set Inputs" stage of the Agent Builder workflow, the user can click on a word then "Set Input" to set that word as an input. If they want to select multiple words like a phrase, they must click on the subsequent individual words and then use the "Link Input" option to link them. While this fine for two-word phrases, it becomes unsustainable if you want to select a whole sentence to set as an input.

This ticket is to allow for the user to select the text they want to set as input (highlight the text) then be able to set the whole thing as one input at once.

Existing

See above description of the current workaround for doing this.

Requirements

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[ehynd]

Look at branch for #485 to make sure this isn't resolved there. if updates required, please push to same branch