Adds a way to toggle font size without settings adjustments (#24857)

Closes https://github.com/zed-industries/zed/issues/23505

Now `zed::IncreaseBufferFontSize` (and all the same UI- and
Buffer-related settings) action is parameterized with `{ "persist": true
}` (default).
Using `"persist": false` brings back resizing behavior prior to
https://github.com/zed-industries/zed/pull/23265


Release Notes:

- Added a way to toggle font size without settings adjustments

crates/zed_actions/src/lib.rs

@@ -38,6 +38,48 @@ actions!(
         Extensions,
         OpenLicenses,
         OpenTelemetryLog,
+    ]
+);
+
+#[derive(PartialEq, Clone, Default, Debug, Deserialize, JsonSchema)]
+pub struct DecreaseBufferFontSize {
+    #[serde(default)]
+    pub persist: bool,
+}
+
+#[derive(PartialEq, Clone, Default, Debug, Deserialize, JsonSchema)]
+pub struct IncreaseBufferFontSize {
+    #[serde(default)]
+    pub persist: bool,
+}
+
+#[derive(PartialEq, Clone, Default, Debug, Deserialize, JsonSchema)]
+pub struct ResetBufferFontSize {
+    #[serde(default)]
+    pub persist: bool,
+}
+
+#[derive(PartialEq, Clone, Default, Debug, Deserialize, JsonSchema)]
+pub struct DecreaseUiFontSize {
+    #[serde(default)]
+    pub persist: bool,
+}
+
+#[derive(PartialEq, Clone, Default, Debug, Deserialize, JsonSchema)]
+pub struct IncreaseUiFontSize {
+    #[serde(default)]
+    pub persist: bool,
+}
+
+#[derive(PartialEq, Clone, Default, Debug, Deserialize, JsonSchema)]
+pub struct ResetUiFontSize {
+    #[serde(default)]
+    pub persist: bool,
+}
+
+impl_actions!(
+    zed,
+    [
         DecreaseBufferFontSize,
         IncreaseBufferFontSize,
         ResetBufferFontSize,