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_34.txt

@@ -0,0 +1,17 @@
+                                      
+               eodccccdxoe            
+           ecccoedxcxccdccdode        
+         eoooxccdxce   eeeeoccco      
+        ooexceooe          cxocee     
+       ooxeoox xc o          eecee    
+      ooexeo eecxece          eoexe   
+      xcexe   ceecxee          xdxe   
+      exdcd    xcexocx         o ee   
+      ocooc   oeooceddccccccxeec xee  
+      xxeooooecoocxxxexoeeeooexxexe   
+       oeeo xexce   ccceeeee oooexc   
+        ooeddee             odoxoc    
+         ecexcedo        ecdceooe     
+           oeoxcxcodocdcdceccdc       
+             cxeddeeeeeddcde          
+                   eee