Change animation frames (#3627)

## Description
- Changes animation frames to be smaller
- Cleans up file names and popup logic

## tests
- Passes local CI

codex-rs/tui/frames/codex/frame_11.txt

@@ -0,0 +1,17 @@
+                                      
+               occcccce               
+              oc dxxxeeo              
+             oceexxdecoeo             
+             xeexxddoedoo             
+            ecodexcecdexxo            
+            xcexxceddxeoxx            
+            cc oxxxxxxexde            
+            x  xxoxxeo xcx            
+            o  cxoxxcocxex            
+            cc exodocoxexe            
+            ceo xxxxdoxeex            
+             eeooxecoccdxe            
+              e cxeeeexdc             
+              ec cxxoeoce             
+               ee cccece              
+