Refactor some entity-related code

Signed-off-by: Graham <gpe@openrs2.org>

share/deob/map/client.yaml

@@ -12615,13 +12615,13 @@ methods:
     owner: "Static9"
     name: "method174"
     arguments:
-      0: "arg0"
+      0: "sizeFilter"
       2: "arg1"
       3: "arg2"
     locals:
-      7: "local7"
-      20: "local20"
-      35: "local35"
+      7: "i"
+      20: "npc"
+      35: "size"
       113: "local113"
       122: "local122"
       128: "local128"
@@ -12632,9 +12632,9 @@ methods:
       208: "local208"
       213: "local213"
       233: "local233"
-      249: "local249"
-      258: "local258"
-      267: "local267"
+      249: "i"
+      258: "npc"
+      267: "key"
       282: "local282"
       335: "local335"
       340: "local340"
@@ -35609,7 +35609,7 @@ methods:
       416: "local416"
       425: "local425"
       469: "local469"
-      549: "local549"
+      549: "groundDecor"
       611: "local611"
       613: "local613"
       616: "local616"
@@ -35620,8 +35620,8 @@ methods:
       907: "local907"
       916: "local916"
       928: "local928"
-      1001: "local1001"
-      1064: "local1064"
+      1001: "groundDecor"
+      1064: "objStack"
       1162: "local1162"
       1179: "local1179"
       1203: "local1203"