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/shapes/frame_2.txt

@@ -0,0 +1,17 @@
+                                      
+             ◆△◆△●□●●●□▲◆             
+         ◆□▲△□●□◇◇◇●◇◇●◆■◇□□◆         
+       ▲◇□◇○□□◇□◆◆  ◆■□●□△◇◇●◇▲       
+     ◆◇△◆△□■▲▲◆           ▲▲○◇△◇▲     
+     ▲○■△□○◇○◆○○◆           ○▲◇○◇▲    
+    ■△□■◆  ◇□○□△○□           ○○◇□◇    
+   ▲◇■□◇    ○△◇●◇◆◇▲          △■◇■◇   
+   ◇■ ○◆     ▲◇□◇◇●□          ◇■△△◇   
+   □■■●◇    ●◇○○◆◇■△◇□□□□□□□□▲◇◆◇◇□   
+    ◆●■◇  △◇◇■ △□ ◇●○◆◆◆◆△△◆◆◇□△ ◇    
+    ○○○ □ □○△△◇■   ◆■□□□□□□□■◇▲□◇◇    
+     ■○◆△△▲ ◆              ▲□●△▲□     
+       △○◆◆◇□▲          ▲●◆□ ◆◇■      
+        ◆◇○●◆◆■□□△●●●●△●□◆◆◇◇□        
+           ◆□□□□◇◇◆◆◆◆◇●△□■           
+