message: Allow longer hex-strings to be displayed in jsons
  Closes
diff: @@ -5,7 +5,7 @@ use alloc::{format, string::String, vec::Vec};
  use serde::Serialize;
  use serde_json::{json, Value};
  -const MAX_STRING_LEN: usize = 100;
  +const MAX_STRING_LEN: usize = 150;
  /// Serializes the given data structure as a pretty-printed `String` of JSON using
  /// `serde_json::to_string_pretty()`, but after first reducing any large hex-string values.
  @@ -115,22 +115,22 @@ mod tests {
  "field_1": null,
  "field_2": true,
  "field_3": 123,
  - "field_4": "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123",
  + "field_4": "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef012345",
  "field_5": [
  "short string value",
  - "[101 hex chars]"
  + "[151 hex chars]"
  ],
  "field_6": {
  "f1": null,
  "f2": false,
  "f3": -123,
  - "f4": "ggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg",
  + "f4": "ggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg",
  "f5": [
  "short string value",
  - "a-[101 hex chars]-b"
  + "a-[151 hex chars]-b"
  ],
  "f6": {
  - "final long string": "a: [101 hex chars], b: [101 hex chars], c: [101 hex chars]"
  + "final long string": "a: [151 hex chars], b: [151 hex chars], c: [151 hex chars]"
  }
  }
  }"#;
  