[fix] template minor updates

[mr-chelyshkin]

What's new

• minimize template (remove unnecessary comments)
• remove duplicate methods [deprecate] ItemsInput #68 [deprecate] GetBoolFieldChanged #69
• fix withIndex method [querybuilder] WithIndex is not a sugar #67
• fix changlog pattern for making diff [ci/cd] Incorrect changelog diff #66

Verification (Docs)

• Need remove notify about [querybuilder] WithIndex is not a sugar #67 bug
• Should update main full / min examples, because some if comments and duplicated method was removed

Checks

• My code follows the project coding style and conventions
• I have tested my changes locally
• I added/updated tests (if needed)

Actually no process changes.

Issue

#67 #68 #69

Tag

[fix]

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