ci: baseline existing lint errors, downgrade MissingTranslation

baseline holds the 9 error-severity findings only; warnings stay
visible in reports rather than frozen.

Author: UserGreen

app/build.gradle.kts

@@ -84,6 +84,11 @@ android {
         buildConfig = true
     }
 
+    lint {
+        warning += "MissingTranslation"
+        baseline = file("lint-baseline.xml")
+    }
+
     packaging {
         resources.excludes += "/META-INF/{AL2.0,LGPL2.1}"
         resources.excludes += "META-INF/versions/9/OSGI-INF/MANIFEST.MF"

app/lint-baseline.xml

@@ -0,0 +1,40 @@
+<?xml version='1.0' encoding='utf-8'?>
+<issues format="6" by="lint 8.7.3" type="baseline" client="gradle" dependencies="false" name="AGP (8.7.3)" variant="all" version="8.7.3">
+
+    <issue id="NewApi" message="Call requires API level 29 (current min is 26): `android.widget.TextView#setTextCursorDrawable`" errorLine1="                                textCursorDrawable = cursor_drawable" errorLine2="                                ~~~~~~~~~~~~~~~~~~">
+        <location file="src/main/kotlin/org/astermail/android/ui/compose/compose_screen.kt" line="1331" column="33" />
+    </issue>
+
+    <issue id="NewApi" message="Call requires API level 29 (current min is 26): `android.widget.TextView#setTextSelectHandle`" errorLine1="                                setTextSelectHandle(handle_drawable)" errorLine2="                                ~~~~~~~~~~~~~~~~~~~">
+        <location file="src/main/kotlin/org/astermail/android/ui/compose/compose_screen.kt" line="1340" column="33" />
+    </issue>
+
+    <issue id="NewApi" message="Call requires API level 29 (current min is 26): `android.widget.TextView#setTextSelectHandleLeft`" errorLine1="                                setTextSelectHandleLeft(handle_drawable)" errorLine2="                                ~~~~~~~~~~~~~~~~~~~~~~~">
+        <location file="src/main/kotlin/org/astermail/android/ui/compose/compose_screen.kt" line="1341" column="33" />
+    </issue>
+
+    <issue id="NewApi" message="Call requires API level 29 (current min is 26): `android.widget.TextView#setTextSelectHandleRight`" errorLine1="                                setTextSelectHandleRight(handle_drawable)" errorLine2="                                ~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location file="src/main/kotlin/org/astermail/android/ui/compose/compose_screen.kt" line="1342" column="33" />
+    </issue>
+
+    <issue id="NewApi" message="Field requires API level 29 (current min is 26): `android.provider.MediaStore.Downloads#EXTERNAL_CONTENT_URI`" errorLine1="                            val uri = context.contentResolver.insert(MediaStore.Downloads.EXTERNAL_CONTENT_URI, values)" errorLine2="                                                                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location file="src/main/kotlin/org/astermail/android/ui/mail/mail_detail_screen.kt" line="3976" column="70" />
+    </issue>
+
+    <issue id="NewApi" message="Field requires API level 29 (current min is 26): `android.provider.MediaStore.Downloads#EXTERNAL_CONTENT_URI`" errorLine1="                                                val uri = context.contentResolver.insert(MediaStore.Downloads.EXTERNAL_CONTENT_URI, values)" errorLine2="                                                                                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location file="src/main/kotlin/org/astermail/android/ui/mail/mail_detail_screen.kt" line="4118" column="90" />
+    </issue>
+
+    <issue id="ProduceStateDoesNotAssignValue" message="produceState calls should assign `value` inside the producer lambda" errorLine1="    val view_state = produceState&lt;identity_key_view?&gt;(initialValue = null, deps) {" errorLine2="                     ~~~~~~~~~~~~">
+        <location file="src/main/kotlin/org/astermail/android/ui/settings/detail/encryption_screen.kt" line="152" column="22" />
+    </issue>
+
+    <issue id="ProduceStateDoesNotAssignValue" message="produceState calls should assign `value` inside the producer lambda" errorLine1="                        val bitmap by produceState&lt;android.graphics.Bitmap?&gt;(initialValue = null, bytes) {" errorLine2="                                      ~~~~~~~~~~~~">
+        <location file="src/main/kotlin/org/astermail/android/ui/mail/mail_detail_screen.kt" line="4007" column="39" />
+    </issue>
+
+    <issue id="UnrememberedGetBackStackEntry" message="Calling getBackStackEntry during composition without using `remember` with a NavBackStackEntry key" errorLine1="                try { nav_controller.getBackStackEntry(routes.inbox) } catch (_: Throwable) { null }" errorLine2="                                     ~~~~~~~~~~~~~~~~~">
+        <location file="src/main/kotlin/org/astermail/android/MainActivity.kt" line="596" column="38" />
+    </issue>
+
+    </issues>