Fix missing title for tree rename popup causing crash (#6057)

* FIX: missing title for tree rename popup

* FIX: crash when renaming skill sets

Author: Paliak

src/Classes/PassiveSpecListControl.lua

@@ -108,7 +108,7 @@ end
 
 function PassiveSpecListClass:OnSelKeyDown(index, spec, key)
 	if key == "F2" then
-		self:RenameSpec(spec)
+		self:RenameSpec(spec, "Rename Tree")
 	end
 end
 

src/Classes/SkillSetListControl.lua

@@ -113,6 +113,6 @@ end
 
 function SkillSetListClass:OnSelKeyDown(index, skillSetId, key)
 	if key == "F2" then
-		self:RenameSet(skillSetId)
+		self:RenameSet(self.skillsTab.skillSets[skillSetId])
 	end
 end