fix: normalization of city name address

frontend/src/App.tsx

@@ -1288,14 +1288,14 @@ export default function App() {
         <div className="flex flex-col w-24">
           <Label className="mb-1 h-3.5 flex items-center gap-1">Band <LockBtn k="band" title="band" /></Label>
           <Select value={band} onValueChange={onBandUserChange}>
-            <SelectTrigger><SelectValue /></SelectTrigger>
+            <SelectTrigger tabIndex={-1}><SelectValue /></SelectTrigger>
             <SelectContent>{bands.map((b) => <SelectItem key={b} value={b}>{b}</SelectItem>)}</SelectContent>
           </Select>
         </div>
         <div className="flex flex-col w-28">
           <Label className="mb-1 h-3.5 flex items-center gap-1">Mode <LockBtn k="mode" title="mode" /></Label>
           <Select value={mode} onValueChange={onModeUserChange}>
-            <SelectTrigger><SelectValue /></SelectTrigger>
+            <SelectTrigger tabIndex={-1}><SelectValue /></SelectTrigger>
             <SelectContent>{modes.map((m) => <SelectItem key={m} value={m}>{m}</SelectItem>)}</SelectContent>
           </Select>
         </div>
@@ -1304,6 +1304,7 @@ export default function App() {
             {catState.split ? 'TX Freq (MHz)' : 'Freq (MHz)'} <LockBtn k="freq" title="frequency" />
           </Label>
           <Input
+            tabIndex={-1}
             className="font-mono"
             value={freqFocused ? freqMhz : (freqMhz ? fmtFreqDots(freqMhz) : '')}
             placeholder="14.250"
@@ -1316,6 +1317,7 @@ export default function App() {
           <div className="flex flex-col w-28">
             <Label className="mb-1 h-3.5 text-rose-600">RX Freq (MHz)</Label>
             <Input
+              tabIndex={-1}
               value={freqFocused ? rxFreqMhz : (rxFreqMhz ? fmtFreqDots(rxFreqMhz) : '')}
               placeholder="14.255"
               onFocus={() => setFreqFocused(true)}