chore: revert bignumber.js patch for charts and reapply the original bignumber.js change to SQL editor in an opt-in fashion (#7210)

* revert: bignumber patch to prevent rendering regression in charts

* Revert "Fix rendering regression from the introduction of bignumber (#6937)"

* fix: consume the bignumber.js reversion -- apply the bignumber conversion in `actions/sqlLab.js` where it is needed (aka opt into bignumber.js).

* Revert "Fix deck.gl form data (#6953)" b/c formData now returns snake_cased properties for deck vizzes.

superset/assets/spec/javascripts/chart/transformBigNumber_spec.js

@@ -1,53 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you 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.
- */
-import BigNumber from 'bignumber.js';
-import transform from 'src/chart/transformBigNumber';
-
-describe('transformBigNumber', () => {
-  it('should transform BigNumber on its own', () => {
-    expect(transform(new BigNumber(123.456))).toBe(123.456);
-  });
-
-  it('should transform BigNumber in objects', () => {
-    expect(transform({
-      foo: new BigNumber(123),
-      bar: 456,
-      baz: null,
-    })).toEqual({ foo: 123, bar: 456, baz: null });
-  });
-
-  it('should transform BigNumber in arrays', () => {
-    expect(transform([
-      { foo: new BigNumber(123) },
-      { bar: 456 },
-    ])).toEqual([{ foo: 123 }, { bar: 456 }]);
-  });
-
-  it('should transform BigNumber in nested structures', () => {
-    expect(transform([{
-      x: new BigNumber(123),
-      y: [{ foo: new BigNumber(456) }, { bar: 'str' }],
-      z: { some: [new BigNumber(789)] },
-    }])).toEqual([{
-      x: 123,
-      y: [{ foo: 456 }, { bar: 'str' }],
-      z: { some: [789] },
-    }]);
-  });
-});