fix: substring search mode, satisfy clippy

Author: Kneemund

crates/rnote-engine/src/pens/typewriter/penevents.rs

@@ -48,7 +48,7 @@ impl Typewriter {
                             GraphemeCursor::new(0, textstroke.text.len(), true)
                         };
 
-                        textstroke.check_spelling_refresh_cache(&engine_view.spellcheck);
+                        textstroke.check_spelling_refresh_cache(engine_view.spellcheck);
                         engine_view.store.update_chrono_to_last(stroke_key);
 
                         new_state = TypewriterState::Modifying {

crates/rnote-engine/src/strokes/textstroke.rs

@@ -438,7 +438,7 @@ impl TextStyle {
                         );
 
                     cx.stroke_styled(
-                        &bottom_line,
+                        bottom_line,
                         &OUTLINE_COLOR,
                         outline_width,
                         &piet::StrokeStyle::new().dash_pattern(&[4.0, 2.0]),

crates/rnote-ui/data/ui/settingspanel.ui

@@ -399,6 +399,7 @@ gets disabled.</property>
                         <property name="title" translatable="yes">Spellcheck Language</property>
                         <property name="subtitle" translatable="yes">Disable or choose the language for spellchecking</property>
                         <property name="enable-search">true</property>
+                        <property name="search-match-mode">substring</property>
                         <property name="expression">
                           <lookup type="GtkStringObject" name="string"></lookup>
                         </property>

crates/rnote-ui/src/main.rs

@@ -1,4 +1,5 @@
 #![warn(missing_debug_implementations)]
+#![allow(clippy::field_reassign_with_default)]
 #![allow(clippy::single_match)]
 // Turns off console window on Windows, but not when building with dev profile.
 #![cfg_attr(