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_14.txt

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