Set text-only macro parameters to end with `_text`

[jmuzina]

Component/pattern to amend

Hero & Tiered List

Update all text-only parameters of the hero and tiered list macros to end with _text.

Context

This was determined to be a good semantic way to indicate to users and developers that some parameters are meant to accept string input only.

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The internal ticket has been created: https://warthogs.atlassian.net/browse/WD-14403.

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[bartaz]

This is relevant to current work, so we should do it in current codebase.