Lore Jam quest: Add SPDX license headers to dialogue files

[GianPierooo]

Adds the missing SPDX-FileCopyrightText / SPDX-License-Identifier headers to the 7 .dialogue files in quest_004 (Mythical Meadows), resolving the reuse lint failures that were blocking #2606 .

[Copilot]

Pull request overview

This pull request addresses REUSE/SPDX lint failures by adding standard SPDX license headers to the dialogue assets for Lore Quest 004 (Mythical Meadows), unblocking the licensing-related work referenced in #2606.

Changes:

• Added SPDX-FileCopyrightText headers to each affected .dialogue file.
• Added SPDX-License-Identifier: MPL-2.0 headers to each affected .dialogue file.
• Removed a now-redundant in-file TODO line from noria.dialogue while adding the header.

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
scenes/quests/lore_quests/quest_004/03_the_fading_woman/willomena_3.dialogue	Adds SPDX license header.
scenes/quests/lore_quests/quest_004/03_the_fading_woman/willomena_2.dialogue	Adds SPDX license header.
scenes/quests/lore_quests/quest_004/03_the_fading_woman/willomena_1.dialogue	Adds SPDX license header.
scenes/quests/lore_quests/quest_004/03_the_fading_woman/page_1.dialogue	Adds SPDX license header.
scenes/quests/lore_quests/quest_004/02_caretaker_of_growth/sable_intro.dialogue	Adds SPDX license header.
scenes/quests/lore_quests/quest_004/02_caretaker_of_growth/sable_farewell.dialogue	Adds SPDX license header.
scenes/quests/lore_quests/quest_004/01_dream_threshold/noria.dialogue	Adds SPDX license header; removes redundant TODO line.

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