Core/Handlers: Add inspect distance and target checks
Core/LFG: Fix LFG GS requirement not updated until relog

Fix Player receiving "You do not meet the requirements for the chosen dungeons" for too low Gear Score level even after equipping items with high enough Gear Score.
DB/Gossip: Add missing gossip to Sar'this
DB/Gossip: Add missing gossip to Argent Squire
Core/LFG: Fix crash

Fix crash added in ab1d0512ea7818d64a63a514195dbd9644d284fb by adding an additional NULL check.
Fixes #11941
Merge pull request #11938 from Dehravor/inspect

Core/Handlers: Add inspect distance and target checks
DB/Creature: Fix some incorrect factions
Core/Misc: Change how Position struct is retrieved

Update Position::GetPosition() and similar methods signatures to reflect 2a4c9bcaf910430cdf3070987ce085da3c2666da changes by return a Position object instead of accepting a Position parameter by reference.
Core/Misc: Fix build warnings
Core/Texts:
* Enable some BroadcastTexts stuff (is not finish)
* Added reload command for broadcast_text table
ToDo:
- Enable: Sound/Emote stuff, etc.
- Auth base need refresh