Unemployed SMP Loot Balance v1.3.3

DESIGN CHANGES
- T1/T2 normal themed loot remains unchanged.
- T3 ordinary high-tier integration reduced from 2 rolls to 1.
- T3 chests receive 2 additional role-matched filler rolls drawn from T1/T2 tables.
- T4 normal/treasure reward amounts remain as in v1.3, plus 3 role-matched T1/T2 filler rolls.
- This makes higher-tier chests cumulative rather than consisting almost entirely of high-tier rewards.
- Existing native structure loot is still preserved by Loot Integrations.

EXCEPTIONAL LOOT
- T1: no custom Simply Swords unique; Fantasy Armor 0.05%.
- T2: no custom Simply Swords unique; Fantasy Armor 0.05%.
- T3: Simply Swords unique 1%; Fantasy Armor 1%, independent.
- T4: Simply Swords unique 5%; Fantasy Armor 5%, independent.
- Loot Integrations values are integer 1 only.
- Probabilities are implemented inside wrapper loot tables using minecraft:empty entries.

TARGET COUNTS
T1: 140
T2: 155
T3: 104
T4: 39

Generated filler integrations: 16
