Feature: Product feature breakdown table reformat (#7512)

* feature/7498-product-feature-breakdown-table-reformat adding table for messages

* feature/7498-product-feature-breakdown-table-reformat adding checkmarks to messages table

* feature/7498-product-feature-breakdown-table-reformat adding channels table

* feature/7498-product-feature-breakdown-table-reformat adding teams table

* feature/7498-product-feature-breakdown-table-reformat adding collaborative playbook table

* feature/7498-product-feature-breakdown-table-reformat adding calls table

* feature/7498-product-feature-breakdown-table-reformat adding integrations table

* feature/7498-product-feature-breakdown-table-reformat adding authentication table

* feature/7498-product-feature-breakdown-table-reformat adding other table

* feature/7498-product-feature-breakdown-table-reformat correcting partially supported to be partial support

* feature/7498-product-feature-breakdown-table-reformat adding link for threaded discussions

* feature/7498-product-feature-breakdown-table-reformat adding links for subjects in messages

* feature/7498-product-feature-breakdown-table-reformat adding links to channels section

* feature/7498-product-feature-breakdown-table-reformat correcting links in channels section

* feature/7498-product-feature-breakdown-table-reformat updating messages section

* feature/7498-product-feature-breakdown-table-reformat updating messages section

* feature/7498-product-feature-breakdown-table-reformat updating teams section

* feature/7498-product-feature-breakdown-table-reformat correcting link in teams section and adding link in collaborative playbook

* feature/7498-product-feature-breakdown-table-reformat updating calls section with links

* feature/7498-product-feature-breakdown-table-reformat updating integrations section with links

* feature/7498-product-feature-breakdown-table-reformat updating authentication section with links

* feature/7498-product-feature-breakdown-table-reformat updating other section with links

* feature/7498-product-feature-breakdown-table-reformat changing ref to doc in authentication section

* feature/7498-product-feature-breakdown-table-reformat updating links in authentication section

* Reviewed/updated messages section

* Reviewed/updated channels section & fixed 1 link via channels

* Reviewed/updated remaining features/links

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Co-authored-by: Carrie Warner (Mattermost) <[email protected]>