fix(map): fullscreen btn inside map div, attribution moved to bottom-left

Button is back inside #feed-map with z-index:1000 to clear all MapLibre
layers. Attribution control disabled in constructor and re-added to
bottom-left so bottom-right is free for the fullscreen button.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Vgmzx8VTTTmCskSpQtsLTr

themes/intotheeast/css/style.css

@@ -654,6 +654,7 @@ body::after {
 }
 
 .feed-map {
+    position: relative;
     height: 240px;
     width: 100%;
 }
@@ -664,7 +665,7 @@ body::after {
 
 .feed-map-fullscreen-btn {
     position: absolute;
-    top: var(--space-2);
+    bottom: var(--space-2);
     right: var(--space-2);
     width: 2rem;
     height: 2rem;
@@ -676,7 +677,7 @@ body::after {
     display: flex;
     align-items: center;
     justify-content: center;
-    z-index: 20;
+    z-index: 1000;
     box-shadow: var(--shadow-sm);
     transition: background 0.15s;
 }