Units: Added bitcoin units milli-bitcoin (mBTC) and micro-bitcoin (μBTC) (#24182)

* Update Bitcoin Currency to use proper symbol, add mBTC and μBTC

* Apply suggestions from code review

Co-authored-by: Marcus Andersson <systemvetaren@gmail.com>

* Revert Bitcoin to use '฿'

Co-authored-by: Marcus Andersson <systemvetaren@gmail.com>

devenv/dev-dashboards-without-uid/panel_tests_polystat.json

@@ -428,6 +428,14 @@
             {
             {
               "text": "Bitcoin (฿)",
               "text": "Bitcoin (฿)",
               "value": "currencyBTC"
               "value": "currencyBTC"
+            },
+            {
+              "text": "Milli Bitcoin (mBTC)",
+              "value": "currencymBTC"
+            },
+            {
+              "text": "Micro Bitcoin (μBTC)",
+              "value": "currencyμBTC"
             }
             }
           ],
           ],
           "text": "currency"
           "text": "currency"

devenv/dev-dashboards/panel-polystat/polystat_test.json

@@ -428,6 +428,14 @@
             {
             {
               "text": "Bitcoin (฿)",
               "text": "Bitcoin (฿)",
               "value": "currencyBTC"
               "value": "currencyBTC"
+            },
+            {
+              "text": "Milli Bitcoin (mBTC)",
+              "value": "currencymBTC"
+            },
+            {
+              "text": "Micro Bitcoin (μBTC)",
+              "value": "currencyμBTC"
             }
             }
           ],
           ],
           "text": "currency"
           "text": "currency"

packages/grafana-data/src/valueFormats/categories.ts

@@ -115,6 +115,8 @@ export const getCategories = (): ValueFormatCategory[] => [
       { name: 'Swiss franc (CHF)', id: 'currencyCHF', fn: currency('CHF') },
       { name: 'Swiss franc (CHF)', id: 'currencyCHF', fn: currency('CHF') },
       { name: 'Polish Złoty (PLN)', id: 'currencyPLN', fn: currency('PLN') },
       { name: 'Polish Złoty (PLN)', id: 'currencyPLN', fn: currency('PLN') },
       { name: 'Bitcoin (฿)', id: 'currencyBTC', fn: currency('฿') },
       { name: 'Bitcoin (฿)', id: 'currencyBTC', fn: currency('฿') },
+      { name: 'Milli Bitcoin (฿)', id: 'currencymBTC', fn: currency('mBTC') },
+      { name: 'Micro Bitcoin (฿)', id: 'currencyμBTC', fn: currency('μBTC') },
       { name: 'South African Rand (R)', id: 'currencyZAR', fn: currency('R') },
       { name: 'South African Rand (R)', id: 'currencyZAR', fn: currency('R') },
       { name: 'Indian Rupee (₹)', id: 'currencyINR', fn: currency('₹') },
       { name: 'Indian Rupee (₹)', id: 'currencyINR', fn: currency('₹') },
       { name: 'South Korean Won (₩)', id: 'currencyKRW', fn: currency('₩') },
       { name: 'South Korean Won (₩)', id: 'currencyKRW', fn: currency('₩') },