Fix mentions font weight and horizontal padding (#2025)

* Fix mentions font weight and horizontal padding

---------

Co-authored-by: ElementBot <benoitm+elementbot@element.io>

libraries/designsystem/src/main/kotlin/io/element/android/libraries/designsystem/text/TextSyleToTypeface.kt

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.designsystem.text
+
+import android.graphics.Typeface
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.State
+import androidx.compose.runtime.remember
+import androidx.compose.ui.platform.LocalFontFamilyResolver
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.text.font.FontStyle
+import androidx.compose.ui.text.font.FontSynthesis
+import androidx.compose.ui.text.font.FontWeight
+
+@Composable
+fun TextStyle.rememberTypeface(): State<Typeface> {
+    val resolver: FontFamily.Resolver = LocalFontFamilyResolver.current
+    @Suppress("UNCHECKED_CAST")
+    return remember(resolver, this) {
+        resolver.resolve(
+            fontFamily = fontFamily,
+            fontWeight = fontWeight ?: FontWeight.Normal,
+            fontStyle = fontStyle ?: FontStyle.Normal,
+            fontSynthesis = fontSynthesis ?: FontSynthesis.All,
+        )
+    } as State<Typeface>
+}