fix(Core/PlayerQuest): Introduce flag QUEST_SPECIAL_FLAGS_NO_LOREMAST…

[sudlud]

…ER_COUNT

• this allows flagging quests so that they will not count towards Loremaster achievement
• update Corrupted Flower Quests in Felwood accordingly as a first use case

Changes Proposed:

This PR proposes changes to:

• Core (units, players, creatures, game systems).
• Scripts (bosses, spell scripts, creature scripts).
• Database (SAI, creatures, etc).

Issues Addressed:

• Closes Corrupted Flower Quests in Felwood Incorrectly Counting Towards Loremaster Achievement #7089
• Closes [Quests][Achievement] Corrupted Flowers in Felwood wrongly count towards Loremaster achivement chromiecraft/chromiecraft#1272

SOURCE:

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Tests Performed:

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• Tested in-game by the author.
• Tested in-game by other community members/someone else other than the author/has been live on production servers.
• This pull request requires further testing and may have edge cases to be tested.

How to Test the Changes:

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Known Issues and TODO List:

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[sudlud]

It looks like repeatable quests (with repeatable flag) should also be excluded in general from loremaster?

https://www.wowhead.com/wotlk/achievement=1681/the-loremaster#comments:id=384634

[TheSCREWEDSoftware]

What needs to be update on the wiki?

[sudlud]

Adding the new flag to SpecialFlags on the wiki page of quest_template_addon, also must be added to keira3