fix(gui): "CPU-Temperatur" statt Zonenname in Klammern

Die Zeile zeigt nur noch den Wert in Grad. Damit die neue Beschriftung
stimmt, filtert sysstat.js die Zonen enger: nur soc-thermal, bigcore0/1
und littlecore. GPU-, NPU- und Center-Zone konnten vorher den Hoechstwert
stellen, obwohl "CPU" daran steht.

Doku: Kapitel 07 + Changelog.

app/web/src/main.js

@@ -118,7 +118,7 @@ function sysmonMarkup() {
             <div class="sys-bar"><i data-cpu-bar style="width:0%"></i></div>
             <div class="sys-row"><span>RAM</span><b data-ram-pct>–</b></div>
             <div class="sys-bar"><i data-ram-bar style="width:0%"></i></div>
-            <div class="sys-row"><span>Temperatur</span><b data-temp>–</b></div>
+            <div class="sys-row"><span>CPU-Temperatur</span><b data-temp>–</b></div>
           </div>
         </div>
       </div>`;
@@ -171,7 +171,7 @@ function paintSysmon(s) {
   load.title = `CPU ${Math.round(cpu)} % · RAM ${Math.round(ram)} %${tc == null ? '' : ` · ${tc.toFixed(0)} °C`}`;
   set('[data-cpu-pct]', `${cpu.toFixed(0)} %${s.cpu && s.cpu.cores ? ` (${s.cpu.cores} Kerne)` : ''}`);
   set('[data-ram-pct]', s.ram ? `${ram.toFixed(0)} % — ${sysGb(s.ram.usedBytes)} von ${sysGb(s.ram.totalBytes)}` : '–');
-  set('[data-temp]', tc == null ? '–' : `${tc.toFixed(1)} °C${s.temp.zone ? ` (${s.temp.zone})` : ''}`);
+  set('[data-temp]', tc == null ? '–' : `${tc.toFixed(1)} °C`);
   const cb = document.querySelector('[data-cpu-bar]'); if (cb) cb.style.width = Math.min(100, cpu) + '%';
   const rb = document.querySelector('[data-ram-bar]'); if (rb) rb.style.width = Math.min(100, ram) + '%';
   const tb = document.querySelector('[data-turbine]');