fix in telegram-bridge text-or-number-value dictionary converter can throw json-error on json-write operations

[fembina]

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[Copilot]

Pull Request Overview

This pull request fixes issues in the Telegram Bridge's JSON serialization for a text-or-number value converter, ensuring that JSON write operations do not throw errors unexpectedly.

• Use a Sequence for collecting key/value pairs before freezing into a dictionary
• Update error messages and improve method signatures for better clarity
• Refactor the TextOrNumberValue struct by renaming internal fields and updating annotations

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
Sources/Falko.Talkie.Bridges.Telegram/Serialization/TextOrNumberValueDictionaryConverter.cs	Refactored JSON read/write operations; replaced Dictionary with Sequence; updated error messages and formatting
Sources/Falko.Talkie.Bridges.Telegram/Models/TextOrNumberValue.cs	Renamed internal fields and updated annotations; changed ToString() to return a constant string

Comments suppressed due to low confidence (1)

Sources/Falko.Talkie.Bridges.Telegram/Serialization/TextOrNumberValueDictionaryConverter.cs:81

• [nitpick] Consider revising this error message to clearly indicate the problem, for example: "Value for key '{pair.Key}' does not contain a valid number or text."

throw new JsonException($"Value for key '{pair.Key}' does not contain a number or text, or empty.");