Support F-Droid Android builds (#1768)

* fix(android): support source-based APK builds

Co-authored-by: Anton Lazarev <22821309+antonok-edm@users.noreply.github.com>

* fix(android): address fdroid review feedback

Co-authored-by: Anton Lazarev <22821309+antonok-edm@users.noreply.github.com>

* fix(android): complete the F-Droid build profile

* fix(app): isolate the F-Droid runtime flag

---------

Co-authored-by: Anton Lazarev <22821309+antonok-edm@users.noreply.github.com>

packages/app/src/components/add-host-method-modal.tsx

@@ -4,6 +4,7 @@ import { Pressable, Text, View } from "react-native";
 import { StyleSheet, useUnistyles } from "react-native-unistyles";
 import { QrCode, Link2, ClipboardPaste } from "lucide-react-native";
 import { AdaptiveModalSheet, type SheetHeader } from "./adaptive-modal-sheet";
+import { isFdroidBuild } from "@/constants/build-profile";
 import { isNative } from "@/constants/platform";
 
 const styles = StyleSheet.create((theme) => ({
@@ -86,7 +87,7 @@ export function AddHostMethodModal({
         </View>
       </Pressable>
 
-      {isNative ? (
+      {isNative && !isFdroidBuild ? (
         <Pressable
           style={styles.option}
           onPress={handleScan}