convert the bear to a basic mobster (#77143)

## About The Pull Request
the bear now a basic and he have a new behaviers. the bear now can go to
climbed the trees! he will looked for a tree to climbing and if he
founded a tree he will go climb him. also the bear now love honey he
will look for a bee hives to stole the honey from it so botanists must
be care. the bear will drag the honey behind him so u must chased him to
get the honey back again

## Why It's Good For The Game
the bear is a basic now so he and have more behavier for more depth
mechanis

## Changelog
🆑
refactor: the bear is a basic now. please report any bugs
add: the bear will climb trees and search honey
/🆑

code/datums/ai/basic_mobs/basic_subtrees/speech_subtree.dm

@@ -194,3 +194,8 @@
 	speech_chance = 5
 	speak = list("Gah Gah!", "NOOT NOOT!", "NOOT!", "Noot", "noot", "Prah!", "Grah!")
 	emote_hear = list("squawks", "gakkers")
+
+/datum/ai_planning_subtree/random_speech/bear
+	speech_chance = 5
+	emote_hear = list("rawrs.","grumbles.","grawls.", "stomps!")
+	emote_see = list("stares ferociously.")