fix: use suggested geoData guard condition from PR review

Author: alonkochba

src/js/techreport/geoBreakdown.js

@@ -59,11 +59,7 @@ class GeoBreakdown {
   }
 
   renderTable() {
-    const container = document.getElementById(`${this.id}-table`);
-    if (!this.geoData || !this.geoData.length) {
-      if (container) container.textContent = 'No geographic data available.';
-      return;
-    }
+    if (!this.geoData || !this.geoData.length || this.geoData.length === 0) return;
 
     const component = document.querySelector(`[data-id="${this.id}"]`);
     const client = component?.dataset?.client || 'mobile';
@@ -112,6 +108,7 @@ class GeoBreakdown {
     const limited = this.showAll ? sorted : sorted.slice(0, 10);
     const entries = this.sortEntries(limited);
 
+    const container = document.getElementById(`${this.id}-table`);
     if (!container) return;
 
     const table = document.createElement('table');