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_33.txt

@@ -0,0 +1,17 @@
+                                      
+               eocdcdcdxoe            
+            eccxxecdxdxoxcxco         
+          eoexcccodce  ccoxxcco       
+         oeoxoexoe        cxxeec      
+        eoxoexxoeee         xceee     
+        ooo   eeeeeeo        oeoee    
+        xxc    eocxexe       xcxx     
+        cxoo   occeodo       ecxc     
+        xxx x oe ocooodddcxxcoexex    
+        eoxccodooexxeeeeexxceeexxo    
+        edeo xoxo o ccccccc xxooee    
+         ececoco           oododo     
+          ceccocdo      ecxoocec      
+            exccecxodcecdoecxc        
+              cddcoeeeeccdoc          
+                   eeee